20131709731

素因数分解:

$7^2\times {\mathrm{37}}^1\times {\mathrm{151}}^2\times {\mathrm{487}}^1$

素因数の和:840

約数の個数: 36

約数和(自身を含む): 24261504624

約数和(自身を除く): 4129794893

約数列:

[1, 7, 37, 49, 151, 259, 487, 1057, 1813, 3409, 5587, 7399, 18019, 22801, 23863, 39109, 73537, 126133, 159607, 273763, 514759, 843637, 882931, 1117249, 2720869, 3603313, 5905459, 11104087, 19046083, 41338213, 77728609, 133322581, 410851219, 544100263, 2875958533, 20131709731]

約数ペア:

[(1, 20131709731), (7, 2875958533), (37, 544100263), (49, 410851219), (151, 133322581), (259, 77728609), (487, 41338213), (1057, 19046083), (1813, 11104087), (3409, 5905459), (5587, 3603313), (7399, 2720869), (18019, 1117249), (22801, 882931), (23863, 843637), (39109, 514759), (73537, 273763), (126133, 159607)]