81242528

素因数分解:

$2^5\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{1163}}^1$

素因数の和:1269

約数の個数: 48

約数和(自身を含む): 167196960

約数和(自身を除く): 85954432

約数列:

[1, 2, 4, 8, 16, 32, 37, 59, 74, 118, 148, 236, 296, 472, 592, 944, 1163, 1184, 1888, 2183, 2326, 4366, 4652, 8732, 9304, 17464, 18608, 34928, 37216, 43031, 68617, 69856, 86062, 137234, 172124, 274468, 344248, 548936, 688496, 1097872, 1376992, 2195744, 2538829, 5077658, 10155316, 20310632, 40621264, 81242528]

約数ペア:

[(1, 81242528), (2, 40621264), (4, 20310632), (8, 10155316), (16, 5077658), (32, 2538829), (37, 2195744), (59, 1376992), (74, 1097872), (118, 688496), (148, 548936), (236, 344248), (296, 274468), (472, 172124), (592, 137234), (944, 86062), (1163, 69856), (1184, 68617), (1888, 43031), (2183, 37216), (2326, 34928), (4366, 18608), (4652, 17464), (8732, 9304)]