86421916

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1\times {\mathrm{401}}^1$

素因数の和:634

約数の個数: 48

約数和(自身を含む): 178295040

約数和(自身を除く): 91873124

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 179, 301, 358, 401, 602, 716, 802, 1204, 1253, 1604, 2506, 2807, 5012, 5614, 7697, 11228, 15394, 17243, 30788, 34486, 53879, 68972, 71779, 107758, 120701, 143558, 215516, 241402, 287116, 482804, 502453, 1004906, 2009812, 3086497, 6172994, 12345988, 21605479, 43210958, 86421916]

約数ペア:

[(1, 86421916), (2, 43210958), (4, 21605479), (7, 12345988), (14, 6172994), (28, 3086497), (43, 2009812), (86, 1004906), (172, 502453), (179, 482804), (301, 287116), (358, 241402), (401, 215516), (602, 143558), (716, 120701), (802, 107758), (1204, 71779), (1253, 68972), (1604, 53879), (2506, 34486), (2807, 30788), (5012, 17243), (5614, 15394), (7697, 11228)]