687878096

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{191}}^1$

素因数の和:420

約数の個数: 80

約数和(自身を含む): 1419337728

約数和(自身を除く): 731459632

約数列:

[1, 2, 4, 8, 16, 31, 53, 62, 106, 124, 137, 191, 212, 248, 274, 382, 424, 496, 548, 764, 848, 1096, 1528, 1643, 2192, 3056, 3286, 4247, 5921, 6572, 7261, 8494, 10123, 11842, 13144, 14522, 16988, 20246, 23684, 26167, 26288, 29044, 33976, 40492, 47368, 52334, 58088, 67952, 80984, 94736, 104668, 116176, 161968, 209336, 225091, 313813, 418672, 450182, 627626, 811177, 900364, 1255252, 1386851, 1622354, 1800728, 2510504, 2773702, 3244708, 3601456, 5021008, 5547404, 6489416, 11094808, 12978832, 22189616, 42992381, 85984762, 171969524, 343939048, 687878096]

約数ペア:

[(1, 687878096), (2, 343939048), (4, 171969524), (8, 85984762), (16, 42992381), (31, 22189616), (53, 12978832), (62, 11094808), (106, 6489416), (124, 5547404), (137, 5021008), (191, 3601456), (212, 3244708), (248, 2773702), (274, 2510504), (382, 1800728), (424, 1622354), (496, 1386851), (548, 1255252), (764, 900364), (848, 811177), (1096, 627626), (1528, 450182), (1643, 418672), (2192, 313813), (3056, 225091), (3286, 209336), (4247, 161968), (5921, 116176), (6572, 104668), (7261, 94736), (8494, 80984), (10123, 67952), (11842, 58088), (13144, 52334), (14522, 47368), (16988, 40492), (20246, 33976), (23684, 29044), (26167, 26288)]