13880412

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1$

素因数の和:272

約数の個数: 144

約数和(自身を含む): 45660160

約数和(自身を除く): 31779748

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 19, 21, 26, 28, 36, 38, 39, 42, 52, 57, 63, 76, 78, 84, 91, 114, 117, 126, 133, 156, 171, 182, 223, 228, 234, 247, 252, 266, 273, 342, 364, 399, 446, 468, 494, 532, 546, 669, 684, 741, 798, 819, 892, 988, 1092, 1197, 1338, 1482, 1561, 1596, 1638, 1729, 2007, 2223, 2394, 2676, 2899, 2964, 3122, 3276, 3458, 4014, 4237, 4446, 4683, 4788, 5187, 5798, 6244, 6916, 8028, 8474, 8697, 8892, 9366, 10374, 11596, 12711, 14049, 15561, 16948, 17394, 18732, 20293, 20748, 25422, 26091, 28098, 29659, 31122, 34788, 38133, 40586, 50844, 52182, 55081, 56196, 59318, 60879, 62244, 76266, 81172, 88977, 104364, 110162, 118636, 121758, 152532, 165243, 177954, 182637, 220324, 243516, 266931, 330486, 355908, 365274, 385567, 495729, 533862, 660972, 730548, 771134, 991458, 1067724, 1156701, 1542268, 1982916, 2313402, 3470103, 4626804, 6940206, 13880412]

約数ペア:

[(1, 13880412), (2, 6940206), (3, 4626804), (4, 3470103), (6, 2313402), (7, 1982916), (9, 1542268), (12, 1156701), (13, 1067724), (14, 991458), (18, 771134), (19, 730548), (21, 660972), (26, 533862), (28, 495729), (36, 385567), (38, 365274), (39, 355908), (42, 330486), (52, 266931), (57, 243516), (63, 220324), (76, 182637), (78, 177954), (84, 165243), (91, 152532), (114, 121758), (117, 118636), (126, 110162), (133, 104364), (156, 88977), (171, 81172), (182, 76266), (223, 62244), (228, 60879), (234, 59318), (247, 56196), (252, 55081), (266, 52182), (273, 50844), (342, 40586), (364, 38133), (399, 34788), (446, 31122), (468, 29659), (494, 28098), (532, 26091), (546, 25422), (669, 20748), (684, 20293), (741, 18732), (798, 17394), (819, 16948), (892, 15561), (988, 14049), (1092, 12711), (1197, 11596), (1338, 10374), (1482, 9366), (1561, 8892), (1596, 8697), (1638, 8474), (1729, 8028), (2007, 6916), (2223, 6244), (2394, 5798), (2676, 5187), (2899, 4788), (2964, 4683), (3122, 4446), (3276, 4237), (3458, 4014)]