85818016

素因数分解:

$2^5\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{409}}^1$

素因数の和:581

約数の個数: 48

約数和(自身を含む): 173577600

約数和(自身を除く): 87759584

約数列:

[1, 2, 4, 8, 16, 32, 79, 83, 158, 166, 316, 332, 409, 632, 664, 818, 1264, 1328, 1636, 2528, 2656, 3272, 6544, 6557, 13088, 13114, 26228, 32311, 33947, 52456, 64622, 67894, 104912, 129244, 135788, 209824, 258488, 271576, 516976, 543152, 1033952, 1086304, 2681813, 5363626, 10727252, 21454504, 42909008, 85818016]

約数ペア:

[(1, 85818016), (2, 42909008), (4, 21454504), (8, 10727252), (16, 5363626), (32, 2681813), (79, 1086304), (83, 1033952), (158, 543152), (166, 516976), (316, 271576), (332, 258488), (409, 209824), (632, 135788), (664, 129244), (818, 104912), (1264, 67894), (1328, 64622), (1636, 52456), (2528, 33947), (2656, 32311), (3272, 26228), (6544, 13114), (6557, 13088)]