259173878

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:440

約数の個数: 32

約数和(自身を含む): 403920000

約数和(自身を除く): 144746122

約数列:

[1, 2, 79, 101, 109, 149, 158, 202, 218, 298, 7979, 8611, 11009, 11771, 15049, 15958, 16241, 17222, 22018, 23542, 30098, 32482, 869711, 1188871, 1283039, 1640341, 1739422, 2377742, 2566078, 3280682, 129586939, 259173878]

約数ペア:

[(1, 259173878), (2, 129586939), (79, 3280682), (101, 2566078), (109, 2377742), (149, 1739422), (158, 1640341), (202, 1283039), (218, 1188871), (298, 869711), (7979, 32482), (8611, 30098), (11009, 23542), (11771, 22018), (15049, 17222), (15958, 16241)]