207828439

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{383}}^1$

素因数の和:559

約数の個数: 32

約数和(自身を含む): 263208960

約数和(自身を除く): 55380521

約数列:

[1, 7, 13, 67, 89, 91, 383, 469, 623, 871, 1157, 2681, 4979, 5963, 6097, 8099, 25661, 34087, 34853, 41741, 77519, 179627, 238609, 333593, 443131, 542633, 2283829, 2335151, 3101917, 15986803, 29689777, 207828439]

約数ペア:

[(1, 207828439), (7, 29689777), (13, 15986803), (67, 3101917), (89, 2335151), (91, 2283829), (383, 542633), (469, 443131), (623, 333593), (871, 238609), (1157, 179627), (2681, 77519), (4979, 41741), (5963, 34853), (6097, 34087), (8099, 25661)]