66956528

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{2213}}^1$

素因数の和:2313

約数の個数: 40

約数和(自身を含む): 136169856

約数和(自身を除く): 69213328

約数列:

[1, 2, 4, 8, 16, 31, 61, 62, 122, 124, 244, 248, 488, 496, 976, 1891, 2213, 3782, 4426, 7564, 8852, 15128, 17704, 30256, 35408, 68603, 134993, 137206, 269986, 274412, 539972, 548824, 1079944, 1097648, 2159888, 4184783, 8369566, 16739132, 33478264, 66956528]

約数ペア:

[(1, 66956528), (2, 33478264), (4, 16739132), (8, 8369566), (16, 4184783), (31, 2159888), (61, 1097648), (62, 1079944), (122, 548824), (124, 539972), (244, 274412), (248, 269986), (488, 137206), (496, 134993), (976, 68603), (1891, 35408), (2213, 30256), (3782, 17704), (4426, 15128), (7564, 8852)]