311957965

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 427472640

約数和(自身を除く): 115514675

約数列:

[1, 5, 11, 55, 61, 79, 107, 121, 305, 395, 535, 605, 671, 869, 1177, 3355, 4345, 4819, 5885, 6527, 7381, 8453, 9559, 12947, 24095, 32635, 36905, 42265, 47795, 53009, 64735, 71797, 92983, 265045, 358985, 464915, 515633, 583099, 789767, 1022813, 2578165, 2915495, 3948835, 5114065, 5671963, 28359815, 62391593, 311957965]

約数ペア:

[(1, 311957965), (5, 62391593), (11, 28359815), (55, 5671963), (61, 5114065), (79, 3948835), (107, 2915495), (121, 2578165), (305, 1022813), (395, 789767), (535, 583099), (605, 515633), (671, 464915), (869, 358985), (1177, 265045), (3355, 92983), (4345, 71797), (4819, 64735), (5885, 53009), (6527, 47795), (7381, 42265), (8453, 36905), (9559, 32635), (12947, 24095)]