201331325

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{683}}^1\times {\mathrm{907}}^1$

素因数の和:1613

約数の個数: 24

約数和(自身を含む): 269545248

約数和(自身を除く): 68213923

約数列:

[1, 5, 13, 25, 65, 325, 683, 907, 3415, 4535, 8879, 11791, 17075, 22675, 44395, 58955, 221975, 294775, 619481, 3097405, 8053253, 15487025, 40266265, 201331325]

約数ペア:

[(1, 201331325), (5, 40266265), (13, 15487025), (25, 8053253), (65, 3097405), (325, 619481), (683, 294775), (907, 221975), (3415, 58955), (4535, 44395), (8879, 22675), (11791, 17075)]