649877488

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{46633}}^1$

素因数の和:46721

約数の個数: 40

約数和(自身を含む): 1376262608

約数和(自身を除く): 726385120

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 67, 104, 134, 208, 268, 536, 871, 1072, 1742, 3484, 6968, 13936, 46633, 93266, 186532, 373064, 606229, 746128, 1212458, 2424916, 3124411, 4849832, 6248822, 9699664, 12497644, 24995288, 40617343, 49990576, 81234686, 162469372, 324938744, 649877488]

約数ペア:

[(1, 649877488), (2, 324938744), (4, 162469372), (8, 81234686), (13, 49990576), (16, 40617343), (26, 24995288), (52, 12497644), (67, 9699664), (104, 6248822), (134, 4849832), (208, 3124411), (268, 2424916), (536, 1212458), (871, 746128), (1072, 606229), (1742, 373064), (3484, 186532), (6968, 93266), (13936, 46633)]