17578689968

素因数分解:

$2^4\times 7^1\times {\mathrm{421}}^1\times {\mathrm{372809}}^1$

素因数の和:373245

約数の個数: 40

約数和(自身を含む): 39016803360

約数和(自身を除く): 21438113392

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 421, 842, 1684, 2947, 3368, 5894, 6736, 11788, 23576, 47152, 372809, 745618, 1491236, 2609663, 2982472, 5219326, 5964944, 10438652, 20877304, 41754608, 156952589, 313905178, 627810356, 1098668123, 1255620712, 2197336246, 2511241424, 4394672492, 8789344984, 17578689968]

約数ペア:

[(1, 17578689968), (2, 8789344984), (4, 4394672492), (7, 2511241424), (8, 2197336246), (14, 1255620712), (16, 1098668123), (28, 627810356), (56, 313905178), (112, 156952589), (421, 41754608), (842, 20877304), (1684, 10438652), (2947, 5964944), (3368, 5219326), (5894, 2982472), (6736, 2609663), (11788, 1491236), (23576, 745618), (47152, 372809)]