81512384

素因数分解:

$2^6\times {\mathrm{73}}^2\times {\mathrm{239}}^1$

素因数の和:397

約数の個数: 42

約数和(自身を含む): 164683440

約数和(自身を除く): 83171056

約数列:

[1, 2, 4, 8, 16, 32, 64, 73, 146, 239, 292, 478, 584, 956, 1168, 1912, 2336, 3824, 4672, 5329, 7648, 10658, 15296, 17447, 21316, 34894, 42632, 69788, 85264, 139576, 170528, 279152, 341056, 558304, 1116608, 1273631, 2547262, 5094524, 10189048, 20378096, 40756192, 81512384]

約数ペア:

[(1, 81512384), (2, 40756192), (4, 20378096), (8, 10189048), (16, 5094524), (32, 2547262), (64, 1273631), (73, 1116608), (146, 558304), (239, 341056), (292, 279152), (478, 170528), (584, 139576), (956, 85264), (1168, 69788), (1912, 42632), (2336, 34894), (3824, 21316), (4672, 17447), (5329, 15296), (7648, 10658)]