128840138

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{1951}}^1$

素因数の和:2102

約数の個数: 32

約数和(自身を含む): 227681280

約数和(自身を除く): 98841142

約数列:

[1, 2, 7, 14, 53, 89, 106, 178, 371, 623, 742, 1246, 1951, 3902, 4717, 9434, 13657, 27314, 33019, 66038, 103403, 173639, 206806, 347278, 723821, 1215473, 1447642, 2430946, 9202867, 18405734, 64420069, 128840138]

約数ペア:

[(1, 128840138), (2, 64420069), (7, 18405734), (14, 9202867), (53, 2430946), (89, 1447642), (106, 1215473), (178, 723821), (371, 347278), (623, 206806), (742, 173639), (1246, 103403), (1951, 66038), (3902, 33019), (4717, 27314), (9434, 13657)]