637131490

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{8741}}^1$

素因数の和:8982

約数の個数: 32

約数和(自身を含む): 1183946544

約数和(自身を除く): 546815054

約数列:

[1, 2, 5, 10, 37, 74, 185, 197, 370, 394, 985, 1970, 7289, 8741, 14578, 17482, 36445, 43705, 72890, 87410, 323417, 646834, 1617085, 1721977, 3234170, 3443954, 8609885, 17219770, 63713149, 127426298, 318565745, 637131490]

約数ペア:

[(1, 637131490), (2, 318565745), (5, 127426298), (10, 63713149), (37, 17219770), (74, 8609885), (185, 3443954), (197, 3234170), (370, 1721977), (394, 1617085), (985, 646834), (1970, 323417), (7289, 87410), (8741, 72890), (14578, 43705), (17482, 36445)]