1988565824

素因数分解:

$2^6\times 7^4\times {\mathrm{12941}}^1$

素因数の和:12981

約数の個数: 70

約数和(自身を含む): 4603818834

約数和(自身を除く): 2615253010

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 196, 224, 343, 392, 448, 686, 784, 1372, 1568, 2401, 2744, 3136, 4802, 5488, 9604, 10976, 12941, 19208, 21952, 25882, 38416, 51764, 76832, 90587, 103528, 153664, 181174, 207056, 362348, 414112, 634109, 724696, 828224, 1268218, 1449392, 2536436, 2898784, 4438763, 5072872, 5797568, 8877526, 10145744, 17755052, 20291488, 31071341, 35510104, 40582976, 62142682, 71020208, 124285364, 142040416, 248570728, 284080832, 497141456, 994282912, 1988565824]

約数ペア:

[(1, 1988565824), (2, 994282912), (4, 497141456), (7, 284080832), (8, 248570728), (14, 142040416), (16, 124285364), (28, 71020208), (32, 62142682), (49, 40582976), (56, 35510104), (64, 31071341), (98, 20291488), (112, 17755052), (196, 10145744), (224, 8877526), (343, 5797568), (392, 5072872), (448, 4438763), (686, 2898784), (784, 2536436), (1372, 1449392), (1568, 1268218), (2401, 828224), (2744, 724696), (3136, 634109), (4802, 414112), (5488, 362348), (9604, 207056), (10976, 181174), (12941, 153664), (19208, 103528), (21952, 90587), (25882, 76832), (38416, 51764)]