639155868

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{14177}}^1$

素因数の和:14231

約数の個数: 72

約数和(自身を含む): 1706237232

約数和(自身を除く): 1067081364

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 26, 34, 39, 51, 52, 68, 78, 102, 156, 204, 221, 289, 442, 578, 663, 867, 884, 1156, 1326, 1734, 2652, 3468, 3757, 7514, 11271, 14177, 15028, 22542, 28354, 42531, 45084, 56708, 85062, 170124, 184301, 241009, 368602, 482018, 552903, 723027, 737204, 964036, 1105806, 1446054, 2211612, 2892108, 3133117, 4097153, 6266234, 8194306, 9399351, 12291459, 12532468, 16388612, 18798702, 24582918, 37597404, 49165836, 53262989, 106525978, 159788967, 213051956, 319577934, 639155868]

約数ペア:

[(1, 639155868), (2, 319577934), (3, 213051956), (4, 159788967), (6, 106525978), (12, 53262989), (13, 49165836), (17, 37597404), (26, 24582918), (34, 18798702), (39, 16388612), (51, 12532468), (52, 12291459), (68, 9399351), (78, 8194306), (102, 6266234), (156, 4097153), (204, 3133117), (221, 2892108), (289, 2211612), (442, 1446054), (578, 1105806), (663, 964036), (867, 737204), (884, 723027), (1156, 552903), (1326, 482018), (1734, 368602), (2652, 241009), (3468, 184301), (3757, 170124), (7514, 85062), (11271, 56708), (14177, 45084), (15028, 42531), (22542, 28354)]