85687472

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1$

素因数の和:286

約数の個数: 80

約数和(自身を含む): 187821312

約数和(自身を除く): 102133840

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 97, 104, 124, 137, 194, 208, 248, 274, 388, 403, 496, 548, 776, 806, 1096, 1261, 1552, 1612, 1781, 2192, 2522, 3007, 3224, 3562, 4247, 5044, 6014, 6448, 7124, 8494, 10088, 12028, 13289, 14248, 16988, 20176, 24056, 26578, 28496, 33976, 39091, 48112, 53156, 55211, 67952, 78182, 106312, 110422, 156364, 172757, 212624, 220844, 312728, 345514, 411959, 441688, 625456, 691028, 823918, 883376, 1382056, 1647836, 2764112, 3295672, 5355467, 6591344, 10710934, 21421868, 42843736, 85687472]

約数ペア:

[(1, 85687472), (2, 42843736), (4, 21421868), (8, 10710934), (13, 6591344), (16, 5355467), (26, 3295672), (31, 2764112), (52, 1647836), (62, 1382056), (97, 883376), (104, 823918), (124, 691028), (137, 625456), (194, 441688), (208, 411959), (248, 345514), (274, 312728), (388, 220844), (403, 212624), (496, 172757), (548, 156364), (776, 110422), (806, 106312), (1096, 78182), (1261, 67952), (1552, 55211), (1612, 53156), (1781, 48112), (2192, 39091), (2522, 33976), (3007, 28496), (3224, 26578), (3562, 24056), (4247, 20176), (5044, 16988), (6014, 14248), (6448, 13289), (7124, 12028), (8494, 10088)]