7111780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1609}}^1$

素因数の和:1648

約数の個数: 48

約数和(自身を含む): 17040240

約数和(自身を除く): 9928460

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 1609, 2210, 3218, 4420, 6436, 8045, 16090, 20917, 27353, 32180, 41834, 54706, 83668, 104585, 109412, 136765, 209170, 273530, 355589, 418340, 547060, 711178, 1422356, 1777945, 3555890, 7111780]

約数ペア:

[(1, 7111780), (2, 3555890), (4, 1777945), (5, 1422356), (10, 711178), (13, 547060), (17, 418340), (20, 355589), (26, 273530), (34, 209170), (52, 136765), (65, 109412), (68, 104585), (85, 83668), (130, 54706), (170, 41834), (221, 32180), (260, 27353), (340, 20917), (442, 16090), (884, 8045), (1105, 6436), (1609, 4420), (2210, 3218)]