81297228

素因数分解:

$2^2\times 3^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1\times {\mathrm{467}}^1$

素因数の和:726

約数の個数: 48

約数和(自身を含む): 193415040

約数和(自身を除く): 112117812

約数列:

[1, 2, 3, 4, 6, 12, 89, 163, 178, 267, 326, 356, 467, 489, 534, 652, 934, 978, 1068, 1401, 1868, 1956, 2802, 5604, 14507, 29014, 41563, 43521, 58028, 76121, 83126, 87042, 124689, 152242, 166252, 174084, 228363, 249378, 304484, 456726, 498756, 913452, 6774769, 13549538, 20324307, 27099076, 40648614, 81297228]

約数ペア:

[(1, 81297228), (2, 40648614), (3, 27099076), (4, 20324307), (6, 13549538), (12, 6774769), (89, 913452), (163, 498756), (178, 456726), (267, 304484), (326, 249378), (356, 228363), (467, 174084), (489, 166252), (534, 152242), (652, 124689), (934, 87042), (978, 83126), (1068, 76121), (1401, 58028), (1868, 43521), (1956, 41563), (2802, 29014), (5604, 14507)]