2891156

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:140

約数の個数: 36

約数和(自身を含む): 5595996

約数和(自身を除く): 2704840

約数列:

[1, 2, 4, 17, 34, 41, 61, 68, 82, 122, 164, 244, 289, 578, 697, 1037, 1156, 1394, 2074, 2501, 2788, 4148, 5002, 10004, 11849, 17629, 23698, 35258, 42517, 47396, 70516, 85034, 170068, 722789, 1445578, 2891156]

約数ペア:

[(1, 2891156), (2, 1445578), (4, 722789), (17, 170068), (34, 85034), (41, 70516), (61, 47396), (68, 42517), (82, 35258), (122, 23698), (164, 17629), (244, 11849), (289, 10004), (578, 5002), (697, 4148), (1037, 2788), (1156, 2501), (1394, 2074)]