247440016

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1$

素因数の和:312

約数の個数: 80

約数和(自身を含む): 517189120

約数和(自身を除く): 269749104

約数列:

[1, 2, 4, 8, 16, 31, 37, 62, 74, 97, 124, 139, 148, 194, 248, 278, 296, 388, 496, 556, 592, 776, 1112, 1147, 1552, 2224, 2294, 3007, 3589, 4309, 4588, 5143, 6014, 7178, 8618, 9176, 10286, 12028, 13483, 14356, 17236, 18352, 20572, 24056, 26966, 28712, 34472, 41144, 48112, 53932, 57424, 68944, 82288, 107864, 111259, 159433, 215728, 222518, 318866, 417973, 445036, 498871, 637732, 835946, 890072, 997742, 1275464, 1671892, 1780144, 1995484, 2550928, 3343784, 3990968, 6687568, 7981936, 15465001, 30930002, 61860004, 123720008, 247440016]

約数ペア:

[(1, 247440016), (2, 123720008), (4, 61860004), (8, 30930002), (16, 15465001), (31, 7981936), (37, 6687568), (62, 3990968), (74, 3343784), (97, 2550928), (124, 1995484), (139, 1780144), (148, 1671892), (194, 1275464), (248, 997742), (278, 890072), (296, 835946), (388, 637732), (496, 498871), (556, 445036), (592, 417973), (776, 318866), (1112, 222518), (1147, 215728), (1552, 159433), (2224, 111259), (2294, 107864), (3007, 82288), (3589, 68944), (4309, 57424), (4588, 53932), (5143, 48112), (6014, 41144), (7178, 34472), (8618, 28712), (9176, 26966), (10286, 24056), (12028, 20572), (13483, 18352), (14356, 17236)]