402299521

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{389}}^1$

素因数の和:553

約数の個数: 32

約数和(自身を含む): 471744000

約数和(自身を除く): 69444479

約数列:

[1, 13, 19, 53, 79, 247, 389, 689, 1007, 1027, 1501, 4187, 5057, 7391, 13091, 19513, 20617, 30731, 54431, 79553, 96083, 268021, 391723, 399503, 583889, 1034189, 1628743, 5092399, 7590557, 21173659, 30946117, 402299521]

約数ペア:

[(1, 402299521), (13, 30946117), (19, 21173659), (53, 7590557), (79, 5092399), (247, 1628743), (389, 1034189), (689, 583889), (1007, 399503), (1027, 391723), (1501, 268021), (4187, 96083), (5057, 79553), (7391, 54431), (13091, 30731), (19513, 20617)]