1640731695

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{80251}}^1$

素因数の和:80335

約数の個数: 32

約数和(自身を含む): 2773509120

約数和(自身を除く): 1132777425

約数列:

[1, 3, 5, 15, 29, 47, 87, 141, 145, 235, 435, 705, 1363, 4089, 6815, 20445, 80251, 240753, 401255, 1203765, 2327279, 3771797, 6981837, 11315391, 11636395, 18858985, 34909185, 56576955, 109382113, 328146339, 546910565, 1640731695]

約数ペア:

[(1, 1640731695), (3, 546910565), (5, 328146339), (15, 109382113), (29, 56576955), (47, 34909185), (87, 18858985), (141, 11636395), (145, 11315391), (235, 6981837), (435, 3771797), (705, 2327279), (1363, 1203765), (4089, 401255), (6815, 240753), (20445, 80251)]