635648

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{191}}^1$

素因数の和:220

約数の個数: 36

約数和(自身を含む): 1373568

約数和(自身を除く): 737920

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 191, 208, 256, 382, 416, 764, 832, 1528, 1664, 2483, 3056, 3328, 4966, 6112, 9932, 12224, 19864, 24448, 39728, 48896, 79456, 158912, 317824, 635648]

約数ペア:

[(1, 635648), (2, 317824), (4, 158912), (8, 79456), (13, 48896), (16, 39728), (26, 24448), (32, 19864), (52, 12224), (64, 9932), (104, 6112), (128, 4966), (191, 3328), (208, 3056), (256, 2483), (382, 1664), (416, 1528), (764, 832)]