123581470

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{3253}}^1$

素因数の和:3420

約数の個数: 32

約数和(自身を含む): 231945120

約数和(自身を除く): 108363650

約数列:

[1, 2, 5, 10, 29, 58, 131, 145, 262, 290, 655, 1310, 3253, 3799, 6506, 7598, 16265, 18995, 32530, 37990, 94337, 188674, 426143, 471685, 852286, 943370, 2130715, 4261430, 12358147, 24716294, 61790735, 123581470]

約数ペア:

[(1, 123581470), (2, 61790735), (5, 24716294), (10, 12358147), (29, 4261430), (58, 2130715), (131, 943370), (145, 852286), (262, 471685), (290, 426143), (655, 188674), (1310, 94337), (3253, 37990), (3799, 32530), (6506, 18995), (7598, 16265)]