289773358

素因数分解:

$2^1\times 7^2\times {\mathrm{113}}^1\times {\mathrm{137}}^1\times {\mathrm{191}}^1$

素因数の和:457

約数の個数: 48

約数和(自身を含む): 516513024

約数和(自身を除く): 226739666

約数列:

[1, 2, 7, 14, 49, 98, 113, 137, 191, 226, 274, 382, 791, 959, 1337, 1582, 1918, 2674, 5537, 6713, 9359, 11074, 13426, 15481, 18718, 21583, 26167, 30962, 43166, 52334, 108367, 151081, 183169, 216734, 302162, 366338, 758569, 1057567, 1282183, 1517138, 2115134, 2564366, 2956871, 5913742, 20698097, 41396194, 144886679, 289773358]

約数ペア:

[(1, 289773358), (2, 144886679), (7, 41396194), (14, 20698097), (49, 5913742), (98, 2956871), (113, 2564366), (137, 2115134), (191, 1517138), (226, 1282183), (274, 1057567), (382, 758569), (791, 366338), (959, 302162), (1337, 216734), (1582, 183169), (1918, 151081), (2674, 108367), (5537, 52334), (6713, 43166), (9359, 30962), (11074, 26167), (13426, 21583), (15481, 18718)]