161239775

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{4597}}^1$

素因数の和:4691

約数の個数: 24

約数和(自身を含む): 212096544

約数和(自身を除く): 50856769

約数列:

[1, 5, 23, 25, 61, 115, 305, 575, 1403, 1525, 4597, 7015, 22985, 35075, 105731, 114925, 280417, 528655, 1402085, 2643275, 6449591, 7010425, 32247955, 161239775]

約数ペア:

[(1, 161239775), (5, 32247955), (23, 7010425), (25, 6449591), (61, 2643275), (115, 1402085), (305, 528655), (575, 280417), (1403, 114925), (1525, 105731), (4597, 35075), (7015, 22985)]