15721429768

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{51949}}^1$

素因数の和:52166

約数の個数: 64

約数和(自身を含む): 34037640000

約数和(自身を除く): 18316210232

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 181, 209, 362, 418, 724, 836, 1448, 1672, 1991, 3439, 3982, 6878, 7964, 13756, 15928, 27512, 37829, 51949, 75658, 103898, 151316, 207796, 302632, 415592, 571439, 987031, 1142878, 1974062, 2285756, 3948124, 4571512, 7896248, 9402769, 10857341, 18805538, 21714682, 37611076, 43429364, 75222152, 86858728, 103430459, 178652611, 206860918, 357305222, 413721836, 714610444, 827443672, 1429220888, 1965178721, 3930357442, 7860714884, 15721429768]

約数ペア:

[(1, 15721429768), (2, 7860714884), (4, 3930357442), (8, 1965178721), (11, 1429220888), (19, 827443672), (22, 714610444), (38, 413721836), (44, 357305222), (76, 206860918), (88, 178652611), (152, 103430459), (181, 86858728), (209, 75222152), (362, 43429364), (418, 37611076), (724, 21714682), (836, 18805538), (1448, 10857341), (1672, 9402769), (1991, 7896248), (3439, 4571512), (3982, 3948124), (6878, 2285756), (7964, 1974062), (13756, 1142878), (15928, 987031), (27512, 571439), (37829, 415592), (51949, 302632), (75658, 207796), (103898, 151316)]