309123568

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{251}}^1$

素因数の和:494

約数の個数: 80

約数和(自身を含む): 671956992

約数和(自身を除く): 362833424

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 191, 208, 248, 251, 382, 403, 496, 502, 764, 806, 1004, 1528, 1612, 2008, 2483, 3056, 3224, 3263, 4016, 4966, 5921, 6448, 6526, 7781, 9932, 11842, 13052, 15562, 19864, 23684, 26104, 31124, 39728, 47368, 47941, 52208, 62248, 76973, 94736, 95882, 101153, 124496, 153946, 191764, 202306, 307892, 383528, 404612, 615784, 623233, 767056, 809224, 1231568, 1246466, 1486171, 1618448, 2492932, 2972342, 4985864, 5944684, 9971728, 11889368, 19320223, 23778736, 38640446, 77280892, 154561784, 309123568]

約数ペア:

[(1, 309123568), (2, 154561784), (4, 77280892), (8, 38640446), (13, 23778736), (16, 19320223), (26, 11889368), (31, 9971728), (52, 5944684), (62, 4985864), (104, 2972342), (124, 2492932), (191, 1618448), (208, 1486171), (248, 1246466), (251, 1231568), (382, 809224), (403, 767056), (496, 623233), (502, 615784), (764, 404612), (806, 383528), (1004, 307892), (1528, 202306), (1612, 191764), (2008, 153946), (2483, 124496), (3056, 101153), (3224, 95882), (3263, 94736), (4016, 76973), (4966, 62248), (5921, 52208), (6448, 47941), (6526, 47368), (7781, 39728), (9932, 31124), (11842, 26104), (13052, 23684), (15562, 19864)]