678889736

素因数分解:

$2^3\times 7^1\times {\mathrm{167}}^1\times {\mathrm{229}}^1\times {\mathrm{317}}^1$

素因数の和:726

約数の個数: 64

約数和(自身を含む): 1474502400

約数和(自身を除く): 795612664

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 167, 229, 317, 334, 458, 634, 668, 916, 1169, 1268, 1336, 1603, 1832, 2219, 2338, 2536, 3206, 4438, 4676, 6412, 8876, 9352, 12824, 17752, 38243, 52939, 72593, 76486, 105878, 145186, 152972, 211756, 267701, 290372, 305944, 370573, 423512, 508151, 535402, 580744, 741146, 1016302, 1070804, 1482292, 2032604, 2141608, 2964584, 4065208, 12123031, 24246062, 48492124, 84861217, 96984248, 169722434, 339444868, 678889736]

約数ペア:

[(1, 678889736), (2, 339444868), (4, 169722434), (7, 96984248), (8, 84861217), (14, 48492124), (28, 24246062), (56, 12123031), (167, 4065208), (229, 2964584), (317, 2141608), (334, 2032604), (458, 1482292), (634, 1070804), (668, 1016302), (916, 741146), (1169, 580744), (1268, 535402), (1336, 508151), (1603, 423512), (1832, 370573), (2219, 305944), (2338, 290372), (2536, 267701), (3206, 211756), (4438, 152972), (4676, 145186), (6412, 105878), (8876, 76486), (9352, 72593), (12824, 52939), (17752, 38243)]