128174724

素因数分解:

$2^2\times 3^5\times {\mathrm{163}}^1\times {\mathrm{809}}^1$

素因数の和:991

約数の個数: 72

約数和(自身を含む): 338476320

約数和(自身を除く): 210301596

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 163, 243, 324, 326, 486, 489, 652, 809, 972, 978, 1467, 1618, 1956, 2427, 2934, 3236, 4401, 4854, 5868, 7281, 8802, 9708, 13203, 14562, 17604, 21843, 26406, 29124, 39609, 43686, 52812, 65529, 79218, 87372, 131058, 131867, 158436, 196587, 262116, 263734, 393174, 395601, 527468, 786348, 791202, 1186803, 1582404, 2373606, 3560409, 4747212, 7120818, 10681227, 14241636, 21362454, 32043681, 42724908, 64087362, 128174724]

約数ペア:

[(1, 128174724), (2, 64087362), (3, 42724908), (4, 32043681), (6, 21362454), (9, 14241636), (12, 10681227), (18, 7120818), (27, 4747212), (36, 3560409), (54, 2373606), (81, 1582404), (108, 1186803), (162, 791202), (163, 786348), (243, 527468), (324, 395601), (326, 393174), (486, 263734), (489, 262116), (652, 196587), (809, 158436), (972, 131867), (978, 131058), (1467, 87372), (1618, 79218), (1956, 65529), (2427, 52812), (2934, 43686), (3236, 39609), (4401, 29124), (4854, 26406), (5868, 21843), (7281, 17604), (8802, 14562), (9708, 13203)]