40399814

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1669}}^1$

素因数の和:1717

約数の個数: 48

約数和(自身を含む): 79959600

約数和(自身を除く): 39559786

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 49, 91, 98, 133, 182, 247, 266, 494, 637, 931, 1274, 1669, 1729, 1862, 3338, 3458, 11683, 12103, 21697, 23366, 24206, 31711, 43394, 63422, 81781, 151879, 163562, 221977, 303758, 412243, 443954, 824486, 1063153, 1553839, 2126306, 2885701, 3107678, 5771402, 20199907, 40399814]

約数ペア:

[(1, 40399814), (2, 20199907), (7, 5771402), (13, 3107678), (14, 2885701), (19, 2126306), (26, 1553839), (38, 1063153), (49, 824486), (91, 443954), (98, 412243), (133, 303758), (182, 221977), (247, 163562), (266, 151879), (494, 81781), (637, 63422), (931, 43394), (1274, 31711), (1669, 24206), (1729, 23366), (1862, 21697), (3338, 12103), (3458, 11683)]