261874492

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{28477}}^1$

素因数の和:28522

約数の個数: 36

約数和(自身を含む): 530260360

約数和(自身を除く): 268385868

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 121, 209, 242, 418, 484, 836, 2299, 4598, 9196, 28477, 56954, 113908, 313247, 541063, 626494, 1082126, 1252988, 2164252, 3445717, 5951693, 6891434, 11903386, 13782868, 23806772, 65468623, 130937246, 261874492]

約数ペア:

[(1, 261874492), (2, 130937246), (4, 65468623), (11, 23806772), (19, 13782868), (22, 11903386), (38, 6891434), (44, 5951693), (76, 3445717), (121, 2164252), (209, 1252988), (242, 1082126), (418, 626494), (484, 541063), (836, 313247), (2299, 113908), (4598, 56954), (9196, 28477)]