1999557612

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{2591}}^1$

素因数の和:2728

約数の個数: 144

約数和(自身を含む): 5825094912

約数和(自身を除く): 3825537300

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 34, 36, 39, 51, 52, 68, 78, 97, 102, 117, 153, 156, 194, 204, 221, 234, 291, 306, 388, 442, 468, 582, 612, 663, 873, 884, 1164, 1261, 1326, 1649, 1746, 1989, 2522, 2591, 2652, 3298, 3492, 3783, 3978, 4947, 5044, 5182, 6596, 7566, 7773, 7956, 9894, 10364, 11349, 14841, 15132, 15546, 19788, 21437, 22698, 23319, 29682, 31092, 33683, 42874, 44047, 45396, 46638, 59364, 64311, 67366, 85748, 88094, 93276, 101049, 128622, 132141, 134732, 176188, 192933, 202098, 251327, 257244, 264282, 303147, 385866, 396423, 404196, 502654, 528564, 572611, 606294, 753981, 771732, 792846, 1005308, 1145222, 1212588, 1507962, 1585692, 1717833, 2261943, 2290444, 3015924, 3267251, 3435666, 4272559, 4523886, 5153499, 6534502, 6871332, 8545118, 9047772, 9801753, 10306998, 12817677, 13069004, 17090236, 19603506, 20613996, 25635354, 29405259, 38453031, 39207012, 51270708, 55543267, 58810518, 76906062, 111086534, 117621036, 153812124, 166629801, 222173068, 333259602, 499889403, 666519204, 999778806, 1999557612]

約数ペア:

[(1, 1999557612), (2, 999778806), (3, 666519204), (4, 499889403), (6, 333259602), (9, 222173068), (12, 166629801), (13, 153812124), (17, 117621036), (18, 111086534), (26, 76906062), (34, 58810518), (36, 55543267), (39, 51270708), (51, 39207012), (52, 38453031), (68, 29405259), (78, 25635354), (97, 20613996), (102, 19603506), (117, 17090236), (153, 13069004), (156, 12817677), (194, 10306998), (204, 9801753), (221, 9047772), (234, 8545118), (291, 6871332), (306, 6534502), (388, 5153499), (442, 4523886), (468, 4272559), (582, 3435666), (612, 3267251), (663, 3015924), (873, 2290444), (884, 2261943), (1164, 1717833), (1261, 1585692), (1326, 1507962), (1649, 1212588), (1746, 1145222), (1989, 1005308), (2522, 792846), (2591, 771732), (2652, 753981), (3298, 606294), (3492, 572611), (3783, 528564), (3978, 502654), (4947, 404196), (5044, 396423), (5182, 385866), (6596, 303147), (7566, 264282), (7773, 257244), (7956, 251327), (9894, 202098), (10364, 192933), (11349, 176188), (14841, 134732), (15132, 132141), (15546, 128622), (19788, 101049), (21437, 93276), (22698, 88094), (23319, 85748), (29682, 67366), (31092, 64311), (33683, 59364), (42874, 46638), (44047, 45396)]