201528455

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{461}}^1$

素因数の和:659

約数の個数: 32

約数和(自身を含む): 265446720

約数和(自身を除く): 63918265

約数列:

[1, 5, 17, 37, 85, 139, 185, 461, 629, 695, 2305, 2363, 3145, 5143, 7837, 11815, 17057, 25715, 39185, 64079, 85285, 87431, 289969, 320395, 437155, 1089343, 1449845, 2370923, 5446715, 11854615, 40305691, 201528455]

約数ペア:

[(1, 201528455), (5, 40305691), (17, 11854615), (37, 5446715), (85, 2370923), (139, 1449845), (185, 1089343), (461, 437155), (629, 320395), (695, 289969), (2305, 87431), (2363, 85285), (3145, 64079), (5143, 39185), (7837, 25715), (11815, 17057)]