971807956

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{2999}}^1$

素因数の和:3244

約数の個数: 48

約数和(自身を含む): 1983744000

約数和(自身を除く): 1011936044

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 163, 284, 326, 497, 652, 994, 1141, 1988, 2282, 2999, 4564, 5998, 11573, 11996, 20993, 23146, 41986, 46292, 81011, 83972, 162022, 212929, 324044, 425858, 488837, 851716, 977674, 1490503, 1955348, 2981006, 3421859, 5962012, 6843718, 13687436, 34707427, 69414854, 138829708, 242951989, 485903978, 971807956]

約数ペア:

[(1, 971807956), (2, 485903978), (4, 242951989), (7, 138829708), (14, 69414854), (28, 34707427), (71, 13687436), (142, 6843718), (163, 5962012), (284, 3421859), (326, 2981006), (497, 1955348), (652, 1490503), (994, 977674), (1141, 851716), (1988, 488837), (2282, 425858), (2999, 324044), (4564, 212929), (5998, 162022), (11573, 83972), (11996, 81011), (20993, 46292), (23146, 41986)]