388638568

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{21467}}^1$

素因数の和:21577

約数の個数: 32

約数和(自身を含む): 762543360

約数和(自身を除く): 373904792

約数列:

[1, 2, 4, 8, 31, 62, 73, 124, 146, 248, 292, 584, 2263, 4526, 9052, 18104, 21467, 42934, 85868, 171736, 665477, 1330954, 1567091, 2661908, 3134182, 5323816, 6268364, 12536728, 48579821, 97159642, 194319284, 388638568]

約数ペア:

[(1, 388638568), (2, 194319284), (4, 97159642), (8, 48579821), (31, 12536728), (62, 6268364), (73, 5323816), (124, 3134182), (146, 2661908), (248, 1567091), (292, 1330954), (584, 665477), (2263, 171736), (4526, 85868), (9052, 42934), (18104, 21467)]