123981136

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{4513}}^1$

素因数の和:4639

約数の個数: 40

約数和(自身を含む): 256918824

約数和(自身を除く): 132937688

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 101, 136, 202, 272, 404, 808, 1616, 1717, 3434, 4513, 6868, 9026, 13736, 18052, 27472, 36104, 72208, 76721, 153442, 306884, 455813, 613768, 911626, 1227536, 1823252, 3646504, 7293008, 7748821, 15497642, 30995284, 61990568, 123981136]

約数ペア:

[(1, 123981136), (2, 61990568), (4, 30995284), (8, 15497642), (16, 7748821), (17, 7293008), (34, 3646504), (68, 1823252), (101, 1227536), (136, 911626), (202, 613768), (272, 455813), (404, 306884), (808, 153442), (1616, 76721), (1717, 72208), (3434, 36104), (4513, 27472), (6868, 18052), (9026, 13736)]