81215152

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{227}}^1\times {\mathrm{379}}^1$

素因数の和:673

約数の個数: 40

約数和(自身を含む): 161150400

約数和(自身を除く): 79935248

約数列:

[1, 2, 4, 8, 16, 59, 118, 227, 236, 379, 454, 472, 758, 908, 944, 1516, 1816, 3032, 3632, 6064, 13393, 22361, 26786, 44722, 53572, 86033, 89444, 107144, 172066, 178888, 214288, 344132, 357776, 688264, 1376528, 5075947, 10151894, 20303788, 40607576, 81215152]

約数ペア:

[(1, 81215152), (2, 40607576), (4, 20303788), (8, 10151894), (16, 5075947), (59, 1376528), (118, 688264), (227, 357776), (236, 344132), (379, 214288), (454, 178888), (472, 172066), (758, 107144), (908, 89444), (944, 86033), (1516, 53572), (1816, 44722), (3032, 26786), (3632, 22361), (6064, 13393)]