86815505

素因数分解:

$5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 127308816

約数和(自身を除く): 40493311

約数列:

[1, 5, 7, 35, 37, 49, 61, 157, 185, 245, 259, 305, 427, 785, 1099, 1295, 1813, 2135, 2257, 2989, 5495, 5809, 7693, 9065, 9577, 11285, 14945, 15799, 29045, 38465, 40663, 47885, 67039, 78995, 110593, 203315, 284641, 335195, 354349, 469273, 552965, 1423205, 1771745, 2346365, 2480443, 12402215, 17363101, 86815505]

約数ペア:

[(1, 86815505), (5, 17363101), (7, 12402215), (35, 2480443), (37, 2346365), (49, 1771745), (61, 1423205), (157, 552965), (185, 469273), (245, 354349), (259, 335195), (305, 284641), (427, 203315), (785, 110593), (1099, 78995), (1295, 67039), (1813, 47885), (2135, 40663), (2257, 38465), (2989, 29045), (5495, 15799), (5809, 14945), (7693, 11285), (9065, 9577)]