77806672

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{1213}}^1$

素因数の和:1451

約数の個数: 40

約数和(自身を含む): 159568160

約数和(自身を除く): 81761488

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 211, 304, 422, 844, 1213, 1688, 2426, 3376, 4009, 4852, 8018, 9704, 16036, 19408, 23047, 32072, 46094, 64144, 92188, 184376, 255943, 368752, 511886, 1023772, 2047544, 4095088, 4862917, 9725834, 19451668, 38903336, 77806672]

約数ペア:

[(1, 77806672), (2, 38903336), (4, 19451668), (8, 9725834), (16, 4862917), (19, 4095088), (38, 2047544), (76, 1023772), (152, 511886), (211, 368752), (304, 255943), (422, 184376), (844, 92188), (1213, 64144), (1688, 46094), (2426, 32072), (3376, 23047), (4009, 19408), (4852, 16036), (8018, 9704)]