81647056

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1$

素因数の和:500

約数の個数: 80

約数和(自身を含む): 180845568

約数和(自身を除く): 99198512

約数列:

[1, 2, 4, 8, 16, 17, 23, 31, 34, 46, 62, 68, 92, 124, 136, 184, 248, 272, 368, 391, 421, 496, 527, 713, 782, 842, 1054, 1426, 1564, 1684, 2108, 2852, 3128, 3368, 4216, 5704, 6256, 6736, 7157, 8432, 9683, 11408, 12121, 13051, 14314, 19366, 24242, 26102, 28628, 38732, 48484, 52204, 57256, 77464, 96968, 104408, 114512, 154928, 164611, 193936, 208816, 221867, 300173, 329222, 443734, 600346, 658444, 887468, 1200692, 1316888, 1774936, 2401384, 2633776, 3549872, 4802768, 5102941, 10205882, 20411764, 40823528, 81647056]

約数ペア:

[(1, 81647056), (2, 40823528), (4, 20411764), (8, 10205882), (16, 5102941), (17, 4802768), (23, 3549872), (31, 2633776), (34, 2401384), (46, 1774936), (62, 1316888), (68, 1200692), (92, 887468), (124, 658444), (136, 600346), (184, 443734), (248, 329222), (272, 300173), (368, 221867), (391, 208816), (421, 193936), (496, 164611), (527, 154928), (713, 114512), (782, 104408), (842, 96968), (1054, 77464), (1426, 57256), (1564, 52204), (1684, 48484), (2108, 38732), (2852, 28628), (3128, 26102), (3368, 24242), (4216, 19366), (5704, 14314), (6256, 13051), (6736, 12121), (7157, 11408), (8432, 9683)]