38131990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{521}}^1\times {\mathrm{563}}^1$

素因数の和:1104

約数の個数: 32

約数和(自身を含む): 74190816

約数和(自身を除く): 36058826

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 521, 563, 1042, 1126, 2605, 2815, 5210, 5630, 6773, 7319, 13546, 14638, 33865, 36595, 67730, 73190, 293323, 586646, 1466615, 2933230, 3813199, 7626398, 19065995, 38131990]

約数ペア:

[(1, 38131990), (2, 19065995), (5, 7626398), (10, 3813199), (13, 2933230), (26, 1466615), (65, 586646), (130, 293323), (521, 73190), (563, 67730), (1042, 36595), (1126, 33865), (2605, 14638), (2815, 13546), (5210, 7319), (5630, 6773)]