31901890

素因数分解:

$2^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1\times {\mathrm{389}}^1$

素因数の和:594

約数の個数: 32

約数和(自身を含む): 58968000

約数和(自身を除く): 27066110

約数列:

[1, 2, 5, 10, 59, 118, 139, 278, 295, 389, 590, 695, 778, 1390, 1945, 3890, 8201, 16402, 22951, 41005, 45902, 54071, 82010, 108142, 114755, 229510, 270355, 540710, 3190189, 6380378, 15950945, 31901890]

約数ペア:

[(1, 31901890), (2, 15950945), (5, 6380378), (10, 3190189), (59, 540710), (118, 270355), (139, 229510), (278, 114755), (295, 108142), (389, 82010), (590, 54071), (695, 45902), (778, 41005), (1390, 22951), (1945, 16402), (3890, 8201)]