2511988

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:132

約数の個数: 36

約数和(自身を含む): 4873932

約数和(自身を除く): 2361944

約数列:

[1, 2, 4, 17, 34, 41, 53, 68, 82, 106, 164, 212, 289, 578, 697, 901, 1156, 1394, 1802, 2173, 2788, 3604, 4346, 8692, 11849, 15317, 23698, 30634, 36941, 47396, 61268, 73882, 147764, 627997, 1255994, 2511988]

約数ペア:

[(1, 2511988), (2, 1255994), (4, 627997), (17, 147764), (34, 73882), (41, 61268), (53, 47396), (68, 36941), (82, 30634), (106, 23698), (164, 15317), (212, 11849), (289, 8692), (578, 4346), (697, 3604), (901, 2788), (1156, 2173), (1394, 1802)]