87366890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{181}}^1$

素因数の和:327

約数の個数: 64

約数和(自身を含む): 176117760

約数和(自身を除く): 88750870

約数列:

[1, 2, 5, 10, 13, 26, 47, 65, 79, 94, 130, 158, 181, 235, 362, 395, 470, 611, 790, 905, 1027, 1222, 1810, 2054, 2353, 3055, 3713, 4706, 5135, 6110, 7426, 8507, 10270, 11765, 14299, 17014, 18565, 23530, 28598, 37130, 42535, 48269, 71495, 85070, 96538, 110591, 142990, 185887, 221182, 241345, 371774, 482690, 552955, 672053, 929435, 1105910, 1344106, 1858870, 3360265, 6720530, 8736689, 17473378, 43683445, 87366890]

約数ペア:

[(1, 87366890), (2, 43683445), (5, 17473378), (10, 8736689), (13, 6720530), (26, 3360265), (47, 1858870), (65, 1344106), (79, 1105910), (94, 929435), (130, 672053), (158, 552955), (181, 482690), (235, 371774), (362, 241345), (395, 221182), (470, 185887), (611, 142990), (790, 110591), (905, 96538), (1027, 85070), (1222, 71495), (1810, 48269), (2054, 42535), (2353, 37130), (3055, 28598), (3713, 23530), (4706, 18565), (5135, 17014), (6110, 14299), (7426, 11765), (8507, 10270)]