31800736

素因数分解:

$2^5\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{191}}^1$

素因数の和:266

約数の個数: 72

約数和(自身を含む): 70785792

約数和(自身を除く): 38985056

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 43, 44, 86, 88, 121, 172, 176, 191, 242, 344, 352, 382, 473, 484, 688, 764, 946, 968, 1376, 1528, 1892, 1936, 2101, 3056, 3784, 3872, 4202, 5203, 6112, 7568, 8213, 8404, 10406, 15136, 16426, 16808, 20812, 23111, 32852, 33616, 41624, 46222, 65704, 67232, 83248, 90343, 92444, 131408, 166496, 180686, 184888, 262816, 361372, 369776, 722744, 739552, 993773, 1445488, 1987546, 2890976, 3975092, 7950184, 15900368, 31800736]

約数ペア:

[(1, 31800736), (2, 15900368), (4, 7950184), (8, 3975092), (11, 2890976), (16, 1987546), (22, 1445488), (32, 993773), (43, 739552), (44, 722744), (86, 369776), (88, 361372), (121, 262816), (172, 184888), (176, 180686), (191, 166496), (242, 131408), (344, 92444), (352, 90343), (382, 83248), (473, 67232), (484, 65704), (688, 46222), (764, 41624), (946, 33616), (968, 32852), (1376, 23111), (1528, 20812), (1892, 16808), (1936, 16426), (2101, 15136), (3056, 10406), (3784, 8404), (3872, 8213), (4202, 7568), (5203, 6112)]