645197649

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{223}}^1\times {\mathrm{263}}^1$

素因数の和:701

約数の個数: 32

約数和(自身を含む): 917790720

約数和(自身を除く): 272593071

約数列:

[1, 3, 19, 57, 193, 223, 263, 579, 669, 789, 3667, 4237, 4997, 11001, 12711, 14991, 43039, 50759, 58649, 129117, 152277, 175947, 817741, 964421, 1114331, 2453223, 2893263, 3342993, 11319257, 33957771, 215065883, 645197649]

約数ペア:

[(1, 645197649), (3, 215065883), (19, 33957771), (57, 11319257), (193, 3342993), (223, 2893263), (263, 2453223), (579, 1114331), (669, 964421), (789, 817741), (3667, 175947), (4237, 152277), (4997, 129117), (11001, 58649), (12711, 50759), (14991, 43039)]