291233778

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{1039}}^1$

素因数の和:1223

約数の個数: 64

約数和(自身を含む): 661340160

約数和(自身を除く): 370106382

約数列:

[1, 2, 3, 6, 11, 22, 31, 33, 62, 66, 93, 137, 186, 274, 341, 411, 682, 822, 1023, 1039, 1507, 2046, 2078, 3014, 3117, 4247, 4521, 6234, 8494, 9042, 11429, 12741, 22858, 25482, 32209, 34287, 46717, 64418, 68574, 93434, 96627, 140151, 142343, 193254, 280302, 284686, 354299, 427029, 708598, 854058, 1062897, 1565773, 2125794, 3131546, 4412633, 4697319, 8825266, 9394638, 13237899, 26475798, 48538963, 97077926, 145616889, 291233778]

約数ペア:

[(1, 291233778), (2, 145616889), (3, 97077926), (6, 48538963), (11, 26475798), (22, 13237899), (31, 9394638), (33, 8825266), (62, 4697319), (66, 4412633), (93, 3131546), (137, 2125794), (186, 1565773), (274, 1062897), (341, 854058), (411, 708598), (682, 427029), (822, 354299), (1023, 284686), (1039, 280302), (1507, 193254), (2046, 142343), (2078, 140151), (3014, 96627), (3117, 93434), (4247, 68574), (4521, 64418), (6234, 46717), (8494, 34287), (9042, 32209), (11429, 25482), (12741, 22858)]