11991625

素因数分解:

$5^3\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:178

約数の個数: 32

約数和(自身を含む): 16144128

約数和(自身を除く): 4152503

約数列:

[1, 5, 23, 25, 43, 97, 115, 125, 215, 485, 575, 989, 1075, 2231, 2425, 2875, 4171, 4945, 5375, 11155, 12125, 20855, 24725, 55775, 95933, 104275, 123625, 278875, 479665, 521375, 2398325, 11991625]

約数ペア:

[(1, 11991625), (5, 2398325), (23, 521375), (25, 479665), (43, 278875), (97, 123625), (115, 104275), (125, 95933), (215, 55775), (485, 24725), (575, 20855), (989, 12125), (1075, 11155), (2231, 5375), (2425, 4945), (2875, 4171)]