66875406

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1$

素因数の和:345

約数の個数: 64

約数和(自身を含む): 149495808

約数和(自身を除く): 82620402

約数列:

[1, 2, 3, 6, 13, 26, 39, 43, 78, 86, 127, 129, 157, 254, 258, 314, 381, 471, 559, 762, 942, 1118, 1651, 1677, 2041, 3302, 3354, 4082, 4953, 5461, 6123, 6751, 9906, 10922, 12246, 13502, 16383, 19939, 20253, 32766, 39878, 40506, 59817, 70993, 87763, 119634, 141986, 175526, 212979, 259207, 263289, 425958, 518414, 526578, 777621, 857377, 1555242, 1714754, 2572131, 5144262, 11145901, 22291802, 33437703, 66875406]

約数ペア:

[(1, 66875406), (2, 33437703), (3, 22291802), (6, 11145901), (13, 5144262), (26, 2572131), (39, 1714754), (43, 1555242), (78, 857377), (86, 777621), (127, 526578), (129, 518414), (157, 425958), (254, 263289), (258, 259207), (314, 212979), (381, 175526), (471, 141986), (559, 119634), (762, 87763), (942, 70993), (1118, 59817), (1651, 40506), (1677, 39878), (2041, 32766), (3302, 20253), (3354, 19939), (4082, 16383), (4953, 13502), (5461, 12246), (6123, 10922), (6751, 9906)]