9997768

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1$

素因数の和:238

約数の個数: 64

約数和(自身を含む): 22317120

約数和(自身を除く): 12319352

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 41, 44, 68, 82, 88, 136, 163, 164, 187, 326, 328, 374, 451, 652, 697, 748, 902, 1304, 1394, 1496, 1793, 1804, 2771, 2788, 3586, 3608, 5542, 5576, 6683, 7172, 7667, 11084, 13366, 14344, 15334, 22168, 26732, 30481, 30668, 53464, 60962, 61336, 73513, 113611, 121924, 147026, 227222, 243848, 294052, 454444, 588104, 908888, 1249721, 2499442, 4998884, 9997768]

約数ペア:

[(1, 9997768), (2, 4998884), (4, 2499442), (8, 1249721), (11, 908888), (17, 588104), (22, 454444), (34, 294052), (41, 243848), (44, 227222), (68, 147026), (82, 121924), (88, 113611), (136, 73513), (163, 61336), (164, 60962), (187, 53464), (326, 30668), (328, 30481), (374, 26732), (451, 22168), (652, 15334), (697, 14344), (748, 13366), (902, 11084), (1304, 7667), (1394, 7172), (1496, 6683), (1793, 5576), (1804, 5542), (2771, 3608), (2788, 3586)]