289559816

素因数分解:

$2^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{56821}}^1$

素因数の和:56854

約数の個数: 48

約数和(自身を含む): 680159340

約数和(自身を除く): 390599524

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 49, 52, 56, 91, 98, 104, 182, 196, 364, 392, 637, 728, 1274, 2548, 5096, 56821, 113642, 227284, 397747, 454568, 738673, 795494, 1477346, 1590988, 2784229, 2954692, 3181976, 5170711, 5568458, 5909384, 10341422, 11136916, 20682844, 22273832, 36194977, 41365688, 72389954, 144779908, 289559816]

約数ペア:

[(1, 289559816), (2, 144779908), (4, 72389954), (7, 41365688), (8, 36194977), (13, 22273832), (14, 20682844), (26, 11136916), (28, 10341422), (49, 5909384), (52, 5568458), (56, 5170711), (91, 3181976), (98, 2954692), (104, 2784229), (182, 1590988), (196, 1477346), (364, 795494), (392, 738673), (637, 454568), (728, 397747), (1274, 227284), (2548, 113642), (5096, 56821)]