28436590

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31249}}^1$

素因数の和:31276

約数の個数: 32

約数和(自身を含む): 63000000

約数和(自身を除く): 34563410

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 31249, 62498, 156245, 218743, 312490, 406237, 437486, 812474, 1093715, 2031185, 2187430, 2843659, 4062370, 5687318, 14218295, 28436590]

約数ペア:

[(1, 28436590), (2, 14218295), (5, 5687318), (7, 4062370), (10, 2843659), (13, 2187430), (14, 2031185), (26, 1093715), (35, 812474), (65, 437486), (70, 406237), (91, 312490), (130, 218743), (182, 156245), (455, 62498), (910, 31249)]