216755812

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{877}}^1$

素因数の和:1005

約数の個数: 72

約数和(自身を含む): 480641784

約数和(自身を除く): 263885972

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 97, 98, 182, 194, 196, 364, 388, 637, 679, 877, 1261, 1274, 1358, 1754, 2522, 2548, 2716, 3508, 4753, 5044, 6139, 8827, 9506, 11401, 12278, 17654, 19012, 22802, 24556, 35308, 42973, 45604, 61789, 79807, 85069, 85946, 123578, 159614, 170138, 171892, 247156, 319228, 340276, 558649, 595483, 1105897, 1117298, 1190966, 2211794, 2234596, 2381932, 4168381, 4423588, 7741279, 8336762, 15482558, 16673524, 30965116, 54188953, 108377906, 216755812]

約数ペア:

[(1, 216755812), (2, 108377906), (4, 54188953), (7, 30965116), (13, 16673524), (14, 15482558), (26, 8336762), (28, 7741279), (49, 4423588), (52, 4168381), (91, 2381932), (97, 2234596), (98, 2211794), (182, 1190966), (194, 1117298), (196, 1105897), (364, 595483), (388, 558649), (637, 340276), (679, 319228), (877, 247156), (1261, 171892), (1274, 170138), (1358, 159614), (1754, 123578), (2522, 85946), (2548, 85069), (2716, 79807), (3508, 61789), (4753, 45604), (5044, 42973), (6139, 35308), (8827, 24556), (9506, 22802), (11401, 19012), (12278, 17654)]