1636700728

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{773}}^1\times {\mathrm{20359}}^1$

素因数の和:21151

約数の個数: 32

約数和(自身を含む): 3309314400

約数和(自身を除く): 1672613672

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 773, 1546, 3092, 6184, 10049, 20098, 20359, 40196, 40718, 80392, 81436, 162872, 264667, 529334, 1058668, 2117336, 15737507, 31475014, 62950028, 125900056, 204587591, 409175182, 818350364, 1636700728]

約数ペア:

[(1, 1636700728), (2, 818350364), (4, 409175182), (8, 204587591), (13, 125900056), (26, 62950028), (52, 31475014), (104, 15737507), (773, 2117336), (1546, 1058668), (3092, 529334), (6184, 264667), (10049, 162872), (20098, 81436), (20359, 80392), (40196, 40718)]