72168128

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{587}}^1$

素因数の和:729

約数の個数: 56

約数和(自身を含む): 153235152

約数和(自身を除く): 81067024

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 113, 136, 226, 272, 452, 544, 587, 904, 1088, 1174, 1808, 1921, 2348, 3616, 3842, 4696, 7232, 7684, 9392, 9979, 15368, 18784, 19958, 30736, 37568, 39916, 61472, 66331, 79832, 122944, 132662, 159664, 265324, 319328, 530648, 638656, 1061296, 1127627, 2122592, 2255254, 4245184, 4510508, 9021016, 18042032, 36084064, 72168128]

約数ペア:

[(1, 72168128), (2, 36084064), (4, 18042032), (8, 9021016), (16, 4510508), (17, 4245184), (32, 2255254), (34, 2122592), (64, 1127627), (68, 1061296), (113, 638656), (136, 530648), (226, 319328), (272, 265324), (452, 159664), (544, 132662), (587, 122944), (904, 79832), (1088, 66331), (1174, 61472), (1808, 39916), (1921, 37568), (2348, 30736), (3616, 19958), (3842, 18784), (4696, 15368), (7232, 9979), (7684, 9392)]