251138368

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{1999}}^1$

素因数の和:2175

約数の個数: 56

約数和(自身を含む): 540512000

約数和(自身を除く): 289373632

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 151, 208, 302, 416, 604, 832, 1208, 1963, 1999, 2416, 3926, 3998, 4832, 7852, 7996, 9664, 15704, 15992, 25987, 31408, 31984, 51974, 62816, 63968, 103948, 125632, 127936, 207896, 301849, 415792, 603698, 831584, 1207396, 1663168, 2414792, 3924037, 4829584, 7848074, 9659168, 15696148, 19318336, 31392296, 62784592, 125569184, 251138368]

約数ペア:

[(1, 251138368), (2, 125569184), (4, 62784592), (8, 31392296), (13, 19318336), (16, 15696148), (26, 9659168), (32, 7848074), (52, 4829584), (64, 3924037), (104, 2414792), (151, 1663168), (208, 1207396), (302, 831584), (416, 603698), (604, 415792), (832, 301849), (1208, 207896), (1963, 127936), (1999, 125632), (2416, 103948), (3926, 63968), (3998, 62816), (4832, 51974), (7852, 31984), (7996, 31408), (9664, 25987), (15704, 15992)]