251036764

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{509}}^1\times {\mathrm{1019}}^1$

素因数の和:1554

約数の個数: 36

約数和(自身を含む): 484306200

約数和(自身を除く): 233269436

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 509, 1018, 1019, 2036, 2038, 4076, 5599, 11198, 11209, 22396, 22418, 44836, 61589, 123178, 123299, 246356, 246598, 493196, 518671, 1037342, 2074684, 5705381, 11410762, 22821524, 62759191, 125518382, 251036764]

約数ペア:

[(1, 251036764), (2, 125518382), (4, 62759191), (11, 22821524), (22, 11410762), (44, 5705381), (121, 2074684), (242, 1037342), (484, 518671), (509, 493196), (1018, 246598), (1019, 246356), (2036, 123299), (2038, 123178), (4076, 61589), (5599, 44836), (11198, 22418), (11209, 22396)]