257192784

素因数分解:

$2^4\times 3^2\times {\mathrm{97}}^1\times {\mathrm{18413}}^1$

素因数の和:18524

約数の個数: 60

約数和(自身を含む): 727242516

約数和(自身を除く): 470049732

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 97, 144, 194, 291, 388, 582, 776, 873, 1164, 1552, 1746, 2328, 3492, 4656, 6984, 13968, 18413, 36826, 55239, 73652, 110478, 147304, 165717, 220956, 294608, 331434, 441912, 662868, 883824, 1325736, 1786061, 2651472, 3572122, 5358183, 7144244, 10716366, 14288488, 16074549, 21432732, 28576976, 32149098, 42865464, 64298196, 85730928, 128596392, 257192784]

約数ペア:

[(1, 257192784), (2, 128596392), (3, 85730928), (4, 64298196), (6, 42865464), (8, 32149098), (9, 28576976), (12, 21432732), (16, 16074549), (18, 14288488), (24, 10716366), (36, 7144244), (48, 5358183), (72, 3572122), (97, 2651472), (144, 1786061), (194, 1325736), (291, 883824), (388, 662868), (582, 441912), (776, 331434), (873, 294608), (1164, 220956), (1552, 165717), (1746, 147304), (2328, 110478), (3492, 73652), (4656, 55239), (6984, 36826), (13968, 18413)]