13257212

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1$

素因数の和:402

約数の個数: 48

約数和(自身を含む): 26772480

約数和(自身を除く): 13515268

約数列:

[1, 2, 4, 17, 19, 31, 34, 38, 62, 68, 76, 124, 323, 331, 527, 589, 646, 662, 1054, 1178, 1292, 1324, 2108, 2356, 5627, 6289, 10013, 10261, 11254, 12578, 20026, 20522, 22508, 25156, 40052, 41044, 106913, 174437, 194959, 213826, 348874, 389918, 427652, 697748, 779836, 3314303, 6628606, 13257212]

約数ペア:

[(1, 13257212), (2, 6628606), (4, 3314303), (17, 779836), (19, 697748), (31, 427652), (34, 389918), (38, 348874), (62, 213826), (68, 194959), (76, 174437), (124, 106913), (323, 41044), (331, 40052), (527, 25156), (589, 22508), (646, 20522), (662, 20026), (1054, 12578), (1178, 11254), (1292, 10261), (1324, 10013), (2108, 6289), (2356, 5627)]