42690655

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{457}}^1$

素因数の和:643

約数の個数: 32

約数和(自身を含む): 62522496

約数和(自身を除く): 19831841

約数列:

[1, 5, 7, 17, 35, 85, 119, 157, 457, 595, 785, 1099, 2285, 2669, 3199, 5495, 7769, 13345, 15995, 18683, 38845, 54383, 71749, 93415, 271915, 358745, 502243, 1219733, 2511215, 6098665, 8538131, 42690655]

約数ペア:

[(1, 42690655), (5, 8538131), (7, 6098665), (17, 2511215), (35, 1219733), (85, 502243), (119, 358745), (157, 271915), (457, 93415), (595, 71749), (785, 54383), (1099, 38845), (2285, 18683), (2669, 15995), (3199, 13345), (5495, 7769)]