856765489804

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{929}}^1\times {\mathrm{247649}}^1$

素因数の和:248615

約数の個数: 72

約数和(自身を含む): 1837909710000

約数和(自身を除く): 981144220196

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 266, 532, 929, 931, 1858, 1862, 3716, 3724, 6503, 13006, 17651, 26012, 35302, 45521, 70604, 91042, 123557, 182084, 247114, 247649, 494228, 495298, 864899, 990596, 1729798, 1733543, 3459596, 3467086, 4705331, 6934172, 9410662, 12134801, 18821324, 24269602, 32937317, 48539204, 65874634, 131749268, 230065921, 230561219, 460131842, 461122438, 920263684, 922244876, 1610461447, 3220922894, 4371252499, 6441845788, 8742504998, 11273230129, 17485009996, 22546460258, 30598767493, 45092920516, 61197534986, 122395069972, 214191372451, 428382744902, 856765489804]

約数ペア:

[(1, 856765489804), (2, 428382744902), (4, 214191372451), (7, 122395069972), (14, 61197534986), (19, 45092920516), (28, 30598767493), (38, 22546460258), (49, 17485009996), (76, 11273230129), (98, 8742504998), (133, 6441845788), (196, 4371252499), (266, 3220922894), (532, 1610461447), (929, 922244876), (931, 920263684), (1858, 461122438), (1862, 460131842), (3716, 230561219), (3724, 230065921), (6503, 131749268), (13006, 65874634), (17651, 48539204), (26012, 32937317), (35302, 24269602), (45521, 18821324), (70604, 12134801), (91042, 9410662), (123557, 6934172), (182084, 4705331), (247114, 3467086), (247649, 3459596), (494228, 1733543), (495298, 1729798), (864899, 990596)]