8719990

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1223}}^1$

素因数の和:1284

約数の個数: 32

約数和(自身を含む): 16920576

約数和(自身を除く): 8200586

約数列:

[1, 2, 5, 10, 23, 31, 46, 62, 115, 155, 230, 310, 713, 1223, 1426, 2446, 3565, 6115, 7130, 12230, 28129, 37913, 56258, 75826, 140645, 189565, 281290, 379130, 871999, 1743998, 4359995, 8719990]

約数ペア:

[(1, 8719990), (2, 4359995), (5, 1743998), (10, 871999), (23, 379130), (31, 281290), (46, 189565), (62, 140645), (115, 75826), (155, 56258), (230, 37913), (310, 28129), (713, 12230), (1223, 7130), (1426, 6115), (2446, 3565)]