64780638

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{367}}^1$

素因数の和:489

約数の個数: 64

約数和(自身を含む): 146399232

約数和(自身を除く): 81618594

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 73, 78, 93, 146, 186, 219, 367, 403, 438, 734, 806, 949, 1101, 1209, 1898, 2202, 2263, 2418, 2847, 4526, 4771, 5694, 6789, 9542, 11377, 13578, 14313, 22754, 26791, 28626, 29419, 34131, 53582, 58838, 68262, 80373, 88257, 147901, 160746, 176514, 295802, 348283, 443703, 696566, 830521, 887406, 1044849, 1661042, 2089698, 2491563, 4983126, 10796773, 21593546, 32390319, 64780638]

約数ペア:

[(1, 64780638), (2, 32390319), (3, 21593546), (6, 10796773), (13, 4983126), (26, 2491563), (31, 2089698), (39, 1661042), (62, 1044849), (73, 887406), (78, 830521), (93, 696566), (146, 443703), (186, 348283), (219, 295802), (367, 176514), (403, 160746), (438, 147901), (734, 88257), (806, 80373), (949, 68262), (1101, 58838), (1209, 53582), (1898, 34131), (2202, 29419), (2263, 28626), (2418, 26791), (2847, 22754), (4526, 14313), (4771, 13578), (5694, 11377), (6789, 9542)]