287841268

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{1201}}^1$

素因数の和:1648

約数の個数: 48

約数和(自身を含む): 593691840

約数和(自身を除く): 305850572

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 419, 572, 838, 1201, 1676, 2402, 4609, 4804, 5447, 9218, 10894, 13211, 15613, 18436, 21788, 26422, 31226, 52844, 59917, 62452, 119834, 171743, 239668, 343486, 503219, 686972, 1006438, 2012876, 5535409, 6541847, 11070818, 13083694, 22141636, 26167388, 71960317, 143920634, 287841268]

約数ペア:

[(1, 287841268), (2, 143920634), (4, 71960317), (11, 26167388), (13, 22141636), (22, 13083694), (26, 11070818), (44, 6541847), (52, 5535409), (143, 2012876), (286, 1006438), (419, 686972), (572, 503219), (838, 343486), (1201, 239668), (1676, 171743), (2402, 119834), (4609, 62452), (4804, 59917), (5447, 52844), (9218, 31226), (10894, 26422), (13211, 21788), (15613, 18436)]