205121214736

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{859}}^1\times {\mathrm{877907}}^1$

素因数の和:878791

約数の個数: 40

約数和(自身を含む): 421290491040

約数和(自身を除く): 216169276304

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 859, 1718, 3436, 6872, 13744, 14603, 29206, 58412, 116824, 233648, 877907, 1755814, 3511628, 7023256, 14046512, 14924419, 29848838, 59697676, 119395352, 238790704, 754122113, 1508244226, 3016488452, 6032976904, 12065953808, 12820075921, 25640151842, 51280303684, 102560607368, 205121214736]

約数ペア:

[(1, 205121214736), (2, 102560607368), (4, 51280303684), (8, 25640151842), (16, 12820075921), (17, 12065953808), (34, 6032976904), (68, 3016488452), (136, 1508244226), (272, 754122113), (859, 238790704), (1718, 119395352), (3436, 59697676), (6872, 29848838), (13744, 14924419), (14603, 14046512), (29206, 7023256), (58412, 3511628), (116824, 1755814), (233648, 877907)]