12718019384

素因数分解:

$2^3\times 7^2\times {\mathrm{101}}^1\times {\mathrm{321227}}^1$

素因数の和:321348

約数の個数: 48

約数和(自身を含む): 28014293880

約数和(自身を除く): 15296274496

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 101, 196, 202, 392, 404, 707, 808, 1414, 2828, 4949, 5656, 9898, 19796, 39592, 321227, 642454, 1284908, 2248589, 2569816, 4497178, 8994356, 15740123, 17988712, 31480246, 32443927, 62960492, 64887854, 125920984, 129775708, 227107489, 259551416, 454214978, 908429956, 1589752423, 1816859912, 3179504846, 6359009692, 12718019384]

約数ペア:

[(1, 12718019384), (2, 6359009692), (4, 3179504846), (7, 1816859912), (8, 1589752423), (14, 908429956), (28, 454214978), (49, 259551416), (56, 227107489), (98, 129775708), (101, 125920984), (196, 64887854), (202, 62960492), (392, 32443927), (404, 31480246), (707, 17988712), (808, 15740123), (1414, 8994356), (2828, 4497178), (4949, 2569816), (5656, 2248589), (9898, 1284908), (19796, 642454), (39592, 321227)]