645707132

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{3517}}^1$

素因数の和:3690

約数の個数: 48

約数和(自身を含む): 1323893760

約数和(自身を除く): 678186628

約数列:

[1, 2, 4, 7, 14, 28, 79, 83, 158, 166, 316, 332, 553, 581, 1106, 1162, 2212, 2324, 3517, 6557, 7034, 13114, 14068, 24619, 26228, 45899, 49238, 91798, 98476, 183596, 277843, 291911, 555686, 583822, 1111372, 1167644, 1944901, 2043377, 3889802, 4086754, 7779604, 8173508, 23060969, 46121938, 92243876, 161426783, 322853566, 645707132]

約数ペア:

[(1, 645707132), (2, 322853566), (4, 161426783), (7, 92243876), (14, 46121938), (28, 23060969), (79, 8173508), (83, 7779604), (158, 4086754), (166, 3889802), (316, 2043377), (332, 1944901), (553, 1167644), (581, 1111372), (1106, 583822), (1162, 555686), (2212, 291911), (2324, 277843), (3517, 183596), (6557, 98476), (7034, 91798), (13114, 49238), (14068, 45899), (24619, 26228)]