158405728

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{1723}}^1$

素因数の和:1776

約数の個数: 72

約数和(自身を含む): 357767928

約数和(自身を除く): 199362200

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 68, 104, 136, 169, 208, 221, 272, 338, 416, 442, 544, 676, 884, 1352, 1723, 1768, 2704, 2873, 3446, 3536, 5408, 5746, 6892, 7072, 11492, 13784, 22399, 22984, 27568, 29291, 44798, 45968, 55136, 58582, 89596, 91936, 117164, 179192, 234328, 291187, 358384, 380783, 468656, 582374, 716768, 761566, 937312, 1164748, 1523132, 2329496, 3046264, 4658992, 4950179, 6092528, 9317984, 9900358, 12185056, 19800716, 39601432, 79202864, 158405728]

約数ペア:

[(1, 158405728), (2, 79202864), (4, 39601432), (8, 19800716), (13, 12185056), (16, 9900358), (17, 9317984), (26, 6092528), (32, 4950179), (34, 4658992), (52, 3046264), (68, 2329496), (104, 1523132), (136, 1164748), (169, 937312), (208, 761566), (221, 716768), (272, 582374), (338, 468656), (416, 380783), (442, 358384), (544, 291187), (676, 234328), (884, 179192), (1352, 117164), (1723, 91936), (1768, 89596), (2704, 58582), (2873, 55136), (3446, 45968), (3536, 44798), (5408, 29291), (5746, 27568), (6892, 22984), (7072, 22399), (11492, 13784)]