345712

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:97

約数の個数: 40

約数和(自身を含む): 749952

約数和(自身を除く): 404240

約数列:

[1, 2, 4, 8, 16, 17, 31, 34, 41, 62, 68, 82, 124, 136, 164, 248, 272, 328, 496, 527, 656, 697, 1054, 1271, 1394, 2108, 2542, 2788, 4216, 5084, 5576, 8432, 10168, 11152, 20336, 21607, 43214, 86428, 172856, 345712]

約数ペア:

[(1, 345712), (2, 172856), (4, 86428), (8, 43214), (16, 21607), (17, 20336), (31, 11152), (34, 10168), (41, 8432), (62, 5576), (68, 5084), (82, 4216), (124, 2788), (136, 2542), (164, 2108), (248, 1394), (272, 1271), (328, 1054), (496, 697), (527, 656)]