321405924

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{53891}}^1$

素因数の和:53976

約数の個数: 48

約数和(自身を含む): 869170176

約数和(自身を除く): 547764252

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 71, 84, 142, 213, 284, 426, 497, 852, 994, 1491, 1988, 2982, 5964, 53891, 107782, 161673, 215564, 323346, 377237, 646692, 754474, 1131711, 1508948, 2263422, 3826261, 4526844, 7652522, 11478783, 15305044, 22957566, 26783827, 45915132, 53567654, 80351481, 107135308, 160702962, 321405924]

約数ペア:

[(1, 321405924), (2, 160702962), (3, 107135308), (4, 80351481), (6, 53567654), (7, 45915132), (12, 26783827), (14, 22957566), (21, 15305044), (28, 11478783), (42, 7652522), (71, 4526844), (84, 3826261), (142, 2263422), (213, 1508948), (284, 1131711), (426, 754474), (497, 646692), (852, 377237), (994, 323346), (1491, 215564), (1988, 161673), (2982, 107782), (5964, 53891)]