725142028

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1\times {\mathrm{997}}^1$

素因数の和:1282

約数の個数: 48

約数和(自身を含む): 1394293824

約数和(自身を除く): 669151796

約数列:

[1, 2, 4, 13, 26, 52, 71, 142, 197, 284, 394, 788, 923, 997, 1846, 1994, 2561, 3692, 3988, 5122, 10244, 12961, 13987, 25922, 27974, 51844, 55948, 70787, 141574, 181831, 196409, 283148, 363662, 392818, 727324, 785636, 920231, 1840462, 2553317, 3680924, 5106634, 10213268, 13945039, 27890078, 55780156, 181285507, 362571014, 725142028]

約数ペア:

[(1, 725142028), (2, 362571014), (4, 181285507), (13, 55780156), (26, 27890078), (52, 13945039), (71, 10213268), (142, 5106634), (197, 3680924), (284, 2553317), (394, 1840462), (788, 920231), (923, 785636), (997, 727324), (1846, 392818), (1994, 363662), (2561, 283148), (3692, 196409), (3988, 181831), (5122, 141574), (10244, 70787), (12961, 55948), (13987, 51844), (25922, 27974)]