890806678

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{383}}^1\times {\mathrm{631}}^1$

素因数の和:1132

約数の個数: 32

約数和(自身を含む): 1427005440

約数和(自身を除く): 536198762

約数列:

[1, 2, 19, 38, 97, 194, 383, 631, 766, 1262, 1843, 3686, 7277, 11989, 14554, 23978, 37151, 61207, 74302, 122414, 241673, 483346, 705869, 1162933, 1411738, 2325866, 4591787, 9183574, 23442281, 46884562, 445403339, 890806678]

約数ペア:

[(1, 890806678), (2, 445403339), (19, 46884562), (38, 23442281), (97, 9183574), (194, 4591787), (383, 2325866), (631, 1411738), (766, 1162933), (1262, 705869), (1843, 483346), (3686, 241673), (7277, 122414), (11989, 74302), (14554, 61207), (23978, 37151)]