1211700655

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{991}}^1$

素因数の和:1108

約数の個数: 48

約数和(自身を含む): 1671892992

約数和(自身を除く): 460192337

約数列:

[1, 5, 11, 43, 47, 55, 121, 215, 235, 473, 517, 605, 991, 2021, 2365, 2585, 4955, 5203, 5687, 10105, 10901, 22231, 26015, 28435, 42613, 46577, 54505, 111155, 119911, 213065, 232885, 244541, 468743, 512347, 599555, 1222705, 2002811, 2343715, 2561735, 5156173, 5635817, 10014055, 22030921, 25780865, 28179085, 110154605, 242340131, 1211700655]

約数ペア:

[(1, 1211700655), (5, 242340131), (11, 110154605), (43, 28179085), (47, 25780865), (55, 22030921), (121, 10014055), (215, 5635817), (235, 5156173), (473, 2561735), (517, 2343715), (605, 2002811), (991, 1222705), (2021, 599555), (2365, 512347), (2585, 468743), (4955, 244541), (5203, 232885), (5687, 213065), (10105, 119911), (10901, 111155), (22231, 54505), (26015, 46577), (28435, 42613)]