71420528

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{311}}^1\times {\mathrm{463}}^1$

素因数の和:813

約数の個数: 40

約数和(自身を含む): 143609856

約数和(自身を除く): 72189328

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 311, 463, 496, 622, 926, 1244, 1852, 2488, 3704, 4976, 7408, 9641, 14353, 19282, 28706, 38564, 57412, 77128, 114824, 143993, 154256, 229648, 287986, 575972, 1151944, 2303888, 4463783, 8927566, 17855132, 35710264, 71420528]

約数ペア:

[(1, 71420528), (2, 35710264), (4, 17855132), (8, 8927566), (16, 4463783), (31, 2303888), (62, 1151944), (124, 575972), (248, 287986), (311, 229648), (463, 154256), (496, 143993), (622, 114824), (926, 77128), (1244, 57412), (1852, 38564), (2488, 28706), (3704, 19282), (4976, 14353), (7408, 9641)]