65431990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{10709}}^1$

素因数の和:10776

約数の個数: 32

約数和(自身を含む): 129548160

約数和(自身を除く): 64116170

約数列:

[1, 2, 5, 10, 13, 26, 47, 65, 94, 130, 235, 470, 611, 1222, 3055, 6110, 10709, 21418, 53545, 107090, 139217, 278434, 503323, 696085, 1006646, 1392170, 2516615, 5033230, 6543199, 13086398, 32715995, 65431990]

約数ペア:

[(1, 65431990), (2, 32715995), (5, 13086398), (10, 6543199), (13, 5033230), (26, 2516615), (47, 1392170), (65, 1006646), (94, 696085), (130, 503323), (235, 278434), (470, 139217), (611, 107090), (1222, 53545), (3055, 21418), (6110, 10709)]