9119890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{73}}^1$

素因数の和:155

約数の個数: 48

約数和(自身を含む): 18517464

約数和(自身を除く): 9397574

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 73, 130, 146, 155, 310, 365, 403, 730, 806, 949, 961, 1898, 1922, 2015, 2263, 4030, 4526, 4745, 4805, 9490, 9610, 11315, 12493, 22630, 24986, 29419, 58838, 62465, 70153, 124930, 140306, 147095, 294190, 350765, 701530, 911989, 1823978, 4559945, 9119890]

約数ペア:

[(1, 9119890), (2, 4559945), (5, 1823978), (10, 911989), (13, 701530), (26, 350765), (31, 294190), (62, 147095), (65, 140306), (73, 124930), (130, 70153), (146, 62465), (155, 58838), (310, 29419), (365, 24986), (403, 22630), (730, 12493), (806, 11315), (949, 9610), (961, 9490), (1898, 4805), (1922, 4745), (2015, 4526), (2263, 4030)]