687625690

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{827}}^1$

素因数の和:991

約数の個数: 64

約数和(自身を含む): 1349944704

約数和(自身を除く): 662319014

約数列:

[1, 2, 5, 10, 17, 34, 67, 73, 85, 134, 146, 170, 335, 365, 670, 730, 827, 1139, 1241, 1654, 2278, 2482, 4135, 4891, 5695, 6205, 8270, 9782, 11390, 12410, 14059, 24455, 28118, 48910, 55409, 60371, 70295, 83147, 110818, 120742, 140590, 166294, 277045, 301855, 415735, 554090, 603710, 831470, 941953, 1026307, 1883906, 2052614, 4044857, 4709765, 5131535, 8089714, 9419530, 10263070, 20224285, 40448570, 68762569, 137525138, 343812845, 687625690]

約数ペア:

[(1, 687625690), (2, 343812845), (5, 137525138), (10, 68762569), (17, 40448570), (34, 20224285), (67, 10263070), (73, 9419530), (85, 8089714), (134, 5131535), (146, 4709765), (170, 4044857), (335, 2052614), (365, 1883906), (670, 1026307), (730, 941953), (827, 831470), (1139, 603710), (1241, 554090), (1654, 415735), (2278, 301855), (2482, 277045), (4135, 166294), (4891, 140590), (5695, 120742), (6205, 110818), (8270, 83147), (9782, 70295), (11390, 60371), (12410, 55409), (14059, 48910), (24455, 28118)]