72870116

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{167}}^1\times {\mathrm{211}}^1$

素因数の和:440

約数の個数: 48

約数和(自身を含む): 143603712

約数和(自身を除く): 70733596

約数列:

[1, 2, 4, 11, 22, 44, 47, 94, 167, 188, 211, 334, 422, 517, 668, 844, 1034, 1837, 2068, 2321, 3674, 4642, 7348, 7849, 9284, 9917, 15698, 19834, 31396, 35237, 39668, 70474, 86339, 109087, 140948, 172678, 218174, 345356, 387607, 436348, 775214, 1550428, 1656139, 3312278, 6624556, 18217529, 36435058, 72870116]

約数ペア:

[(1, 72870116), (2, 36435058), (4, 18217529), (11, 6624556), (22, 3312278), (44, 1656139), (47, 1550428), (94, 775214), (167, 436348), (188, 387607), (211, 345356), (334, 218174), (422, 172678), (517, 140948), (668, 109087), (844, 86339), (1034, 70474), (1837, 39668), (2068, 35237), (2321, 31396), (3674, 19834), (4642, 15698), (7348, 9917), (7849, 9284)]