78951990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{202441}}^1$

素因数の和:202464

約数の個数: 32

約数和(自身を含む): 204061536

約数和(自身を除く): 125109546

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 202441, 404882, 607323, 1012205, 1214646, 2024410, 2631733, 3036615, 5263466, 6073230, 7895199, 13158665, 15790398, 26317330, 39475995, 78951990]

約数ペア:

[(1, 78951990), (2, 39475995), (3, 26317330), (5, 15790398), (6, 13158665), (10, 7895199), (13, 6073230), (15, 5263466), (26, 3036615), (30, 2631733), (39, 2024410), (65, 1214646), (78, 1012205), (130, 607323), (195, 404882), (390, 202441)]