85640988

素因数分解:

$2^2\times 3^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1\times {\mathrm{347}}^1$

素因数の和:642

約数の個数: 48

約数和(自身を含む): 203220864

約数和(自身を除く): 117579876

約数列:

[1, 2, 3, 4, 6, 12, 131, 157, 262, 314, 347, 393, 471, 524, 628, 694, 786, 942, 1041, 1388, 1572, 1884, 2082, 4164, 20567, 41134, 45457, 54479, 61701, 82268, 90914, 108958, 123402, 136371, 163437, 181828, 217916, 246804, 272742, 326874, 545484, 653748, 7136749, 14273498, 21410247, 28546996, 42820494, 85640988]

約数ペア:

[(1, 85640988), (2, 42820494), (3, 28546996), (4, 21410247), (6, 14273498), (12, 7136749), (131, 653748), (157, 545484), (262, 326874), (314, 272742), (347, 246804), (393, 217916), (471, 181828), (524, 163437), (628, 136371), (694, 123402), (786, 108958), (942, 90914), (1041, 82268), (1388, 61701), (1572, 54479), (1884, 45457), (2082, 41134), (4164, 20567)]