81367376

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{1741}}^1$

素因数の和:1899

約数の個数: 40

約数和(自身を含む): 165894144

約数和(自身を除く): 84526768

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 127, 184, 254, 368, 508, 1016, 1741, 2032, 2921, 3482, 5842, 6964, 11684, 13928, 23368, 27856, 40043, 46736, 80086, 160172, 221107, 320344, 442214, 640688, 884428, 1768856, 3537712, 5085461, 10170922, 20341844, 40683688, 81367376]

約数ペア:

[(1, 81367376), (2, 40683688), (4, 20341844), (8, 10170922), (16, 5085461), (23, 3537712), (46, 1768856), (92, 884428), (127, 640688), (184, 442214), (254, 320344), (368, 221107), (508, 160172), (1016, 80086), (1741, 46736), (2032, 40043), (2921, 27856), (3482, 23368), (5842, 13928), (6964, 11684)]