31121590

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1\times {\mathrm{313}}^1$

素因数の和:544

約数の個数: 32

約数和(自身を含む): 57469536

約数和(自身を除く): 26347946

約数列:

[1, 2, 5, 10, 61, 122, 163, 305, 313, 326, 610, 626, 815, 1565, 1630, 3130, 9943, 19093, 19886, 38186, 49715, 51019, 95465, 99430, 102038, 190930, 255095, 510190, 3112159, 6224318, 15560795, 31121590]

約数ペア:

[(1, 31121590), (2, 15560795), (5, 6224318), (10, 3112159), (61, 510190), (122, 255095), (163, 190930), (305, 102038), (313, 99430), (326, 95465), (610, 51019), (626, 49715), (815, 38186), (1565, 19886), (1630, 19093), (3130, 9943)]