388589318

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{2711}}^1$

素因数の和:2912

約数の個数: 32

約数和(自身を含む): 649252800

約数和(自身を除く): 260663482

約数列:

[1, 2, 13, 26, 37, 74, 149, 298, 481, 962, 1937, 2711, 3874, 5422, 5513, 11026, 35243, 70486, 71669, 100307, 143338, 200614, 403939, 807878, 1303991, 2607982, 5251207, 10502414, 14945743, 29891486, 194294659, 388589318]

約数ペア:

[(1, 388589318), (2, 194294659), (13, 29891486), (26, 14945743), (37, 10502414), (74, 5251207), (149, 2607982), (298, 1303991), (481, 807878), (962, 403939), (1937, 200614), (2711, 143338), (3874, 100307), (5422, 71669), (5513, 70486), (11026, 35243)]