81406384

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{1409}}^1$

素因数の和:1597

約数の個数: 40

約数和(自身を含む): 165748320

約数和(自身を除く): 84341936

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 157, 184, 314, 368, 628, 1256, 1409, 2512, 2818, 3611, 5636, 7222, 11272, 14444, 22544, 28888, 32407, 57776, 64814, 129628, 221213, 259256, 442426, 518512, 884852, 1769704, 3539408, 5087899, 10175798, 20351596, 40703192, 81406384]

約数ペア:

[(1, 81406384), (2, 40703192), (4, 20351596), (8, 10175798), (16, 5087899), (23, 3539408), (46, 1769704), (92, 884852), (157, 518512), (184, 442426), (314, 259256), (368, 221213), (628, 129628), (1256, 64814), (1409, 57776), (2512, 32407), (2818, 28888), (3611, 22544), (5636, 14444), (7222, 11272)]