638548908

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{12113}}^1$

素因数の和:12334

約数の個数: 48

約数和(自身を含む): 1562996736

約数和(自身を除く): 924447828

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 191, 276, 382, 573, 764, 1146, 2292, 4393, 8786, 12113, 13179, 17572, 24226, 26358, 36339, 48452, 52716, 72678, 145356, 278599, 557198, 835797, 1114396, 1671594, 2313583, 3343188, 4627166, 6940749, 9254332, 13881498, 27762996, 53212409, 106424818, 159637227, 212849636, 319274454, 638548908]

約数ペア:

[(1, 638548908), (2, 319274454), (3, 212849636), (4, 159637227), (6, 106424818), (12, 53212409), (23, 27762996), (46, 13881498), (69, 9254332), (92, 6940749), (138, 4627166), (191, 3343188), (276, 2313583), (382, 1671594), (573, 1114396), (764, 835797), (1146, 557198), (2292, 278599), (4393, 145356), (8786, 72678), (12113, 52716), (13179, 48452), (17572, 36339), (24226, 26358)]