1291365512

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{39749}}^1$

素因数の和:39917

約数の個数: 32

約数和(自身を含む): 2518560000

約数和(自身を除く): 1227194488

約数列:

[1, 2, 4, 8, 31, 62, 124, 131, 248, 262, 524, 1048, 4061, 8122, 16244, 32488, 39749, 79498, 158996, 317992, 1232219, 2464438, 4928876, 5207119, 9857752, 10414238, 20828476, 41656952, 161420689, 322841378, 645682756, 1291365512]

約数ペア:

[(1, 1291365512), (2, 645682756), (4, 322841378), (8, 161420689), (31, 41656952), (62, 20828476), (124, 10414238), (131, 9857752), (248, 5207119), (262, 4928876), (524, 2464438), (1048, 1232219), (4061, 317992), (8122, 158996), (16244, 79498), (32488, 39749)]