1640676868

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{43}}^2\times {\mathrm{13049}}^1$

素因数の和:13156

約数の個数: 36

約数和(自身を含む): 3112659900

約数和(自身を除く): 1471983032

約数列:

[1, 2, 4, 17, 34, 43, 68, 86, 172, 731, 1462, 1849, 2924, 3698, 7396, 13049, 26098, 31433, 52196, 62866, 125732, 221833, 443666, 561107, 887332, 1122214, 2244428, 9538819, 19077638, 24127601, 38155276, 48255202, 96510404, 410169217, 820338434, 1640676868]

約数ペア:

[(1, 1640676868), (2, 820338434), (4, 410169217), (17, 96510404), (34, 48255202), (43, 38155276), (68, 24127601), (86, 19077638), (172, 9538819), (731, 2244428), (1462, 1122214), (1849, 887332), (2924, 561107), (3698, 443666), (7396, 221833), (13049, 125732), (26098, 62866), (31433, 52196)]