31987930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{1021}}^1$

素因数の和:1282

約数の個数: 32

約数和(自身を含む): 62325648

約数和(自身を除く): 30337718

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 241, 482, 1021, 1205, 2042, 2410, 3133, 5105, 6266, 10210, 13273, 15665, 26546, 31330, 66365, 132730, 246061, 492122, 1230305, 2460610, 3198793, 6397586, 15993965, 31987930]

約数ペア:

[(1, 31987930), (2, 15993965), (5, 6397586), (10, 3198793), (13, 2460610), (26, 1230305), (65, 492122), (130, 246061), (241, 132730), (482, 66365), (1021, 31330), (1205, 26546), (2042, 15665), (2410, 13273), (3133, 10210), (5105, 6266)]