217860016

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{2617}}^1$

素因数の和:2690

約数の個数: 60

約数和(自身を含む): 474936616

約数和(自身を除く): 257076600

約数列:

[1, 2, 4, 8, 11, 16, 22, 43, 44, 86, 88, 121, 172, 176, 242, 344, 473, 484, 688, 946, 968, 1892, 1936, 2617, 3784, 5203, 5234, 7568, 10406, 10468, 20812, 20936, 28787, 41624, 41872, 57574, 83248, 112531, 115148, 225062, 230296, 316657, 450124, 460592, 633314, 900248, 1237841, 1266628, 1800496, 2475682, 2533256, 4951364, 5066512, 9902728, 13616251, 19805456, 27232502, 54465004, 108930008, 217860016]

約数ペア:

[(1, 217860016), (2, 108930008), (4, 54465004), (8, 27232502), (11, 19805456), (16, 13616251), (22, 9902728), (43, 5066512), (44, 4951364), (86, 2533256), (88, 2475682), (121, 1800496), (172, 1266628), (176, 1237841), (242, 900248), (344, 633314), (473, 460592), (484, 450124), (688, 316657), (946, 230296), (968, 225062), (1892, 115148), (1936, 112531), (2617, 83248), (3784, 57574), (5203, 41872), (5234, 41624), (7568, 28787), (10406, 20936), (10468, 20812)]