2001818056

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{21757}}^1$

素因数の和:21854

約数の個数: 64

約数和(自身を含む): 4511738880

約数和(自身を除く): 2509920824

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 53, 56, 62, 106, 124, 212, 217, 248, 371, 424, 434, 742, 868, 1484, 1643, 1736, 2968, 3286, 6572, 11501, 13144, 21757, 23002, 43514, 46004, 87028, 92008, 152299, 174056, 304598, 609196, 674467, 1153121, 1218392, 1348934, 2306242, 2697868, 4612484, 4721269, 5395736, 8071847, 9224968, 9442538, 16143694, 18885076, 32287388, 35746751, 37770152, 64574776, 71493502, 142987004, 250227257, 285974008, 500454514, 1000909028, 2001818056]

約数ペア:

[(1, 2001818056), (2, 1000909028), (4, 500454514), (7, 285974008), (8, 250227257), (14, 142987004), (28, 71493502), (31, 64574776), (53, 37770152), (56, 35746751), (62, 32287388), (106, 18885076), (124, 16143694), (212, 9442538), (217, 9224968), (248, 8071847), (371, 5395736), (424, 4721269), (434, 4612484), (742, 2697868), (868, 2306242), (1484, 1348934), (1643, 1218392), (1736, 1153121), (2968, 674467), (3286, 609196), (6572, 304598), (11501, 174056), (13144, 152299), (21757, 92008), (23002, 87028), (43514, 46004)]