87321728

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{541}}^1$

素因数の和:665

約数の個数: 64

約数和(自身を含む): 189624120

約数和(自身を除く): 102302392

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 97, 104, 128, 194, 208, 388, 416, 541, 776, 832, 1082, 1261, 1552, 1664, 2164, 2522, 3104, 4328, 5044, 6208, 7033, 8656, 10088, 12416, 14066, 17312, 20176, 28132, 34624, 40352, 52477, 56264, 69248, 80704, 104954, 112528, 161408, 209908, 225056, 419816, 450112, 682201, 839632, 900224, 1364402, 1679264, 2728804, 3358528, 5457608, 6717056, 10915216, 21830432, 43660864, 87321728]

約数ペア:

[(1, 87321728), (2, 43660864), (4, 21830432), (8, 10915216), (13, 6717056), (16, 5457608), (26, 3358528), (32, 2728804), (52, 1679264), (64, 1364402), (97, 900224), (104, 839632), (128, 682201), (194, 450112), (208, 419816), (388, 225056), (416, 209908), (541, 161408), (776, 112528), (832, 104954), (1082, 80704), (1261, 69248), (1552, 56264), (1664, 52477), (2164, 40352), (2522, 34624), (3104, 28132), (4328, 20176), (5044, 17312), (6208, 14066), (7033, 12416), (8656, 10088)]