408021955

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{7867}}^1$

素因数の和:7947

約数の個数: 32

約数和(自身を含む): 571027968

約数和(自身を除く): 163006013

約数列:

[1, 5, 11, 23, 41, 55, 115, 205, 253, 451, 943, 1265, 2255, 4715, 7867, 10373, 39335, 51865, 86537, 180941, 322547, 432685, 904705, 1612735, 1990351, 3548017, 7418581, 9951755, 17740085, 37092905, 81604391, 408021955]

約数ペア:

[(1, 408021955), (5, 81604391), (11, 37092905), (23, 17740085), (41, 9951755), (55, 7418581), (115, 3548017), (205, 1990351), (253, 1612735), (451, 904705), (943, 432685), (1265, 322547), (2255, 180941), (4715, 86537), (7867, 51865), (10373, 39335)]