654312970

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{563}}^1$

素因数の和:787

約数の個数: 64

約数和(自身を含む): 1278664704

約数和(自身を除く): 624351734

約数列:

[1, 2, 5, 10, 23, 31, 46, 62, 115, 155, 163, 230, 310, 326, 563, 713, 815, 1126, 1426, 1630, 2815, 3565, 3749, 5053, 5630, 7130, 7498, 10106, 12949, 17453, 18745, 25265, 25898, 34906, 37490, 50530, 64745, 87265, 91769, 116219, 129490, 174530, 183538, 232438, 401419, 458845, 581095, 802838, 917690, 1162190, 2007095, 2110687, 2844839, 4014190, 4221374, 5689678, 10553435, 14224195, 21106870, 28448390, 65431297, 130862594, 327156485, 654312970]

約数ペア:

[(1, 654312970), (2, 327156485), (5, 130862594), (10, 65431297), (23, 28448390), (31, 21106870), (46, 14224195), (62, 10553435), (115, 5689678), (155, 4221374), (163, 4014190), (230, 2844839), (310, 2110687), (326, 2007095), (563, 1162190), (713, 917690), (815, 802838), (1126, 581095), (1426, 458845), (1630, 401419), (2815, 232438), (3565, 183538), (3749, 174530), (5053, 129490), (5630, 116219), (7130, 91769), (7498, 87265), (10106, 64745), (12949, 50530), (17453, 37490), (18745, 34906), (25265, 25898)]