31168072

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^3\times {\mathrm{61}}^1$

素因数の和:131

約数の個数: 64

約数和(自身を含む): 67964400

約数和(自身を除く): 36796328

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 61, 68, 104, 122, 136, 221, 244, 289, 442, 488, 578, 793, 884, 1037, 1156, 1586, 1768, 2074, 2312, 3172, 3757, 4148, 4913, 6344, 7514, 8296, 9826, 13481, 15028, 17629, 19652, 26962, 30056, 35258, 39304, 53924, 63869, 70516, 107848, 127738, 141032, 229177, 255476, 299693, 458354, 510952, 599386, 916708, 1198772, 1833416, 2397544, 3896009, 7792018, 15584036, 31168072]

約数ペア:

[(1, 31168072), (2, 15584036), (4, 7792018), (8, 3896009), (13, 2397544), (17, 1833416), (26, 1198772), (34, 916708), (52, 599386), (61, 510952), (68, 458354), (104, 299693), (122, 255476), (136, 229177), (221, 141032), (244, 127738), (289, 107848), (442, 70516), (488, 63869), (578, 53924), (793, 39304), (884, 35258), (1037, 30056), (1156, 26962), (1586, 19652), (1768, 17629), (2074, 15028), (2312, 13481), (3172, 9826), (3757, 8296), (4148, 7514), (4913, 6344)]