31679024

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^3\times {\mathrm{31}}^1$

素因数の和:103

約数の個数: 80

約数和(自身を含む): 72495360

約数和(自身を除く): 40816336

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 31, 34, 52, 62, 68, 104, 124, 136, 208, 221, 248, 272, 289, 403, 442, 496, 527, 578, 806, 884, 1054, 1156, 1612, 1768, 2108, 2312, 3224, 3536, 3757, 4216, 4624, 4913, 6448, 6851, 7514, 8432, 8959, 9826, 13702, 15028, 17918, 19652, 27404, 30056, 35836, 39304, 54808, 60112, 63869, 71672, 78608, 109616, 116467, 127738, 143344, 152303, 232934, 255476, 304606, 465868, 510952, 609212, 931736, 1021904, 1218424, 1863472, 1979939, 2436848, 3959878, 7919756, 15839512, 31679024]

約数ペア:

[(1, 31679024), (2, 15839512), (4, 7919756), (8, 3959878), (13, 2436848), (16, 1979939), (17, 1863472), (26, 1218424), (31, 1021904), (34, 931736), (52, 609212), (62, 510952), (68, 465868), (104, 304606), (124, 255476), (136, 232934), (208, 152303), (221, 143344), (248, 127738), (272, 116467), (289, 109616), (403, 78608), (442, 71672), (496, 63869), (527, 60112), (578, 54808), (806, 39304), (884, 35836), (1054, 30056), (1156, 27404), (1612, 19652), (1768, 17918), (2108, 15028), (2312, 13702), (3224, 9826), (3536, 8959), (3757, 8432), (4216, 7514), (4624, 6851), (4913, 6448)]