42180215

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1231}}^1$

素因数の和:1343

約数の個数: 32

約数和(自身を含む): 63866880

約数和(自身を除く): 21686665

約数列:

[1, 5, 7, 11, 35, 55, 77, 89, 385, 445, 623, 979, 1231, 3115, 4895, 6155, 6853, 8617, 13541, 34265, 43085, 67705, 94787, 109559, 473935, 547795, 766913, 1205149, 3834565, 6025745, 8436043, 42180215]

約数ペア:

[(1, 42180215), (5, 8436043), (7, 6025745), (11, 3834565), (35, 1205149), (55, 766913), (77, 547795), (89, 473935), (385, 109559), (445, 94787), (623, 67705), (979, 43085), (1231, 34265), (3115, 13541), (4895, 8617), (6155, 6853)]