186959968

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{181}}^1\times {\mathrm{191}}^1$

素因数の和:408

約数の個数: 72

約数和(自身を含む): 402869376

約数和(自身を除く): 215909408

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 169, 181, 191, 208, 338, 362, 382, 416, 676, 724, 764, 1352, 1448, 1528, 2353, 2483, 2704, 2896, 3056, 4706, 4966, 5408, 5792, 6112, 9412, 9932, 18824, 19864, 30589, 32279, 34571, 37648, 39728, 61178, 64558, 69142, 75296, 79456, 122356, 129116, 138284, 244712, 258232, 276568, 449423, 489424, 516464, 553136, 898846, 978848, 1032928, 1106272, 1797692, 3595384, 5842499, 7190768, 11684998, 14381536, 23369996, 46739992, 93479984, 186959968]

約数ペア:

[(1, 186959968), (2, 93479984), (4, 46739992), (8, 23369996), (13, 14381536), (16, 11684998), (26, 7190768), (32, 5842499), (52, 3595384), (104, 1797692), (169, 1106272), (181, 1032928), (191, 978848), (208, 898846), (338, 553136), (362, 516464), (382, 489424), (416, 449423), (676, 276568), (724, 258232), (764, 244712), (1352, 138284), (1448, 129116), (1528, 122356), (2353, 79456), (2483, 75296), (2704, 69142), (2896, 64558), (3056, 61178), (4706, 39728), (4966, 37648), (5408, 34571), (5792, 32279), (6112, 30589), (9412, 19864), (9932, 18824)]