1631324656

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{431}}^1\times {\mathrm{587}}^1$

素因数の和:1070

約数の個数: 80

約数和(自身を含む): 3527774208

約数和(自身を除く): 1896449552

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 431, 496, 587, 806, 862, 1174, 1612, 1724, 2348, 3224, 3448, 4696, 5603, 6448, 6896, 7631, 9392, 11206, 13361, 15262, 18197, 22412, 26722, 30524, 36394, 44824, 53444, 61048, 72788, 89648, 106888, 122096, 145576, 173693, 213776, 236561, 252997, 291152, 347386, 473122, 505994, 694772, 946244, 1011988, 1389544, 1892488, 2023976, 2779088, 3288961, 3784976, 4047952, 6577922, 7842907, 13155844, 15685814, 26311688, 31371628, 52623376, 62743256, 101957791, 125486512, 203915582, 407831164, 815662328, 1631324656]

約数ペア:

[(1, 1631324656), (2, 815662328), (4, 407831164), (8, 203915582), (13, 125486512), (16, 101957791), (26, 62743256), (31, 52623376), (52, 31371628), (62, 26311688), (104, 15685814), (124, 13155844), (208, 7842907), (248, 6577922), (403, 4047952), (431, 3784976), (496, 3288961), (587, 2779088), (806, 2023976), (862, 1892488), (1174, 1389544), (1612, 1011988), (1724, 946244), (2348, 694772), (3224, 505994), (3448, 473122), (4696, 347386), (5603, 291152), (6448, 252997), (6896, 236561), (7631, 213776), (9392, 173693), (11206, 145576), (13361, 122096), (15262, 106888), (18197, 89648), (22412, 72788), (26722, 61048), (30524, 53444), (36394, 44824)]