2811328

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:165

約数の個数: 56

約数和(自身を含む): 6258560

約数和(自身を除く): 3447232

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 109, 124, 208, 218, 248, 403, 416, 436, 496, 806, 832, 872, 992, 1417, 1612, 1744, 1984, 2834, 3224, 3379, 3488, 5668, 6448, 6758, 6976, 11336, 12896, 13516, 22672, 25792, 27032, 43927, 45344, 54064, 87854, 90688, 108128, 175708, 216256, 351416, 702832, 1405664, 2811328]

約数ペア:

[(1, 2811328), (2, 1405664), (4, 702832), (8, 351416), (13, 216256), (16, 175708), (26, 108128), (31, 90688), (32, 87854), (52, 54064), (62, 45344), (64, 43927), (104, 27032), (109, 25792), (124, 22672), (208, 13516), (218, 12896), (248, 11336), (403, 6976), (416, 6758), (436, 6448), (496, 5668), (806, 3488), (832, 3379), (872, 3224), (992, 2834), (1417, 1984), (1612, 1744)]