28821562

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1$

素因数の和:247

約数の個数: 64

約数和(自身を含む): 58164480

約数和(自身を除く): 29342918

約数列:

[1, 2, 7, 11, 14, 17, 22, 34, 77, 101, 109, 119, 154, 187, 202, 218, 238, 374, 707, 763, 1111, 1199, 1309, 1414, 1526, 1717, 1853, 2222, 2398, 2618, 3434, 3706, 7777, 8393, 11009, 12019, 12971, 15554, 16786, 18887, 20383, 22018, 24038, 25942, 37774, 40766, 77063, 121099, 132209, 142681, 154126, 187153, 242198, 264418, 285362, 374306, 847693, 1310071, 1695386, 2058683, 2620142, 4117366, 14410781, 28821562]

約数ペア:

[(1, 28821562), (2, 14410781), (7, 4117366), (11, 2620142), (14, 2058683), (17, 1695386), (22, 1310071), (34, 847693), (77, 374306), (101, 285362), (109, 264418), (119, 242198), (154, 187153), (187, 154126), (202, 142681), (218, 132209), (238, 121099), (374, 77063), (707, 40766), (763, 37774), (1111, 25942), (1199, 24038), (1309, 22018), (1414, 20383), (1526, 18887), (1717, 16786), (1853, 15554), (2222, 12971), (2398, 12019), (2618, 11009), (3434, 8393), (3706, 7777)]