644813156716

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{313}}^1\times {\mathrm{140449}}^1$

素因数の和:140978

約数の個数: 48

約数和(自身を含む): 1197791308000

約数和(自身を除く): 552978151284

約数列:

[1, 2, 4, 19, 38, 76, 193, 313, 386, 626, 772, 1252, 3667, 5947, 7334, 11894, 14668, 23788, 60409, 120818, 140449, 241636, 280898, 561796, 1147771, 2295542, 2668531, 4591084, 5337062, 10674124, 27106657, 43960537, 54213314, 87921074, 108426628, 175842148, 515026483, 835250203, 1030052966, 1670500406, 2060105932, 3341000812, 8484383641, 16968767282, 33937534564, 161203289179, 322406578358, 644813156716]

約数ペア:

[(1, 644813156716), (2, 322406578358), (4, 161203289179), (19, 33937534564), (38, 16968767282), (76, 8484383641), (193, 3341000812), (313, 2060105932), (386, 1670500406), (626, 1030052966), (772, 835250203), (1252, 515026483), (3667, 175842148), (5947, 108426628), (7334, 87921074), (11894, 54213314), (14668, 43960537), (23788, 27106657), (60409, 10674124), (120818, 5337062), (140449, 4591084), (241636, 2668531), (280898, 2295542), (561796, 1147771)]