201864859

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:224

約数の個数: 48

約数和(自身を含む): 259504128

約数和(自身を除く): 57639269

約数列:

[1, 7, 23, 37, 47, 49, 103, 161, 259, 329, 721, 851, 1081, 1127, 1739, 1813, 2303, 2369, 3811, 4841, 5047, 5957, 7567, 12173, 16583, 26677, 33887, 39997, 41699, 52969, 85211, 87653, 111343, 116081, 179117, 186739, 237209, 279979, 613571, 779401, 1253819, 1959853, 4119691, 4294997, 5455807, 8776733, 28837837, 201864859]

約数ペア:

[(1, 201864859), (7, 28837837), (23, 8776733), (37, 5455807), (47, 4294997), (49, 4119691), (103, 1959853), (161, 1253819), (259, 779401), (329, 613571), (721, 279979), (851, 237209), (1081, 186739), (1127, 179117), (1739, 116081), (1813, 111343), (2303, 87653), (2369, 85211), (3811, 52969), (4841, 41699), (5047, 39997), (5957, 33887), (7567, 26677), (12173, 16583)]