319270679

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{499}}^1$

素因数の和:687

約数の個数: 32

約数和(自身を含む): 403200000

約数和(自身を除く): 83929321

約数列:

[1, 7, 13, 79, 89, 91, 499, 553, 623, 1027, 1157, 3493, 6487, 7031, 7189, 8099, 39421, 44411, 45409, 49217, 91403, 275947, 310877, 512473, 577343, 639821, 3508469, 3587311, 4041401, 24559283, 45610097, 319270679]

約数ペア:

[(1, 319270679), (7, 45610097), (13, 24559283), (79, 4041401), (89, 3587311), (91, 3508469), (499, 639821), (553, 577343), (623, 512473), (1027, 310877), (1157, 275947), (3493, 91403), (6487, 49217), (7031, 45409), (7189, 44411), (8099, 39421)]