209585916

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{2803}}^1$

素因数の和:2911

約数の個数: 72

約数和(自身を含む): 555236864

約数和(自身を除く): 345650948

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 67, 93, 124, 134, 186, 201, 268, 279, 372, 402, 558, 603, 804, 1116, 1206, 2077, 2412, 2803, 4154, 5606, 6231, 8308, 8409, 11212, 12462, 16818, 18693, 24924, 25227, 33636, 37386, 50454, 74772, 86893, 100908, 173786, 187801, 260679, 347572, 375602, 521358, 563403, 751204, 782037, 1042716, 1126806, 1564074, 1690209, 2253612, 3128148, 3380418, 5821831, 6760836, 11643662, 17465493, 23287324, 34930986, 52396479, 69861972, 104792958, 209585916]

約数ペア:

[(1, 209585916), (2, 104792958), (3, 69861972), (4, 52396479), (6, 34930986), (9, 23287324), (12, 17465493), (18, 11643662), (31, 6760836), (36, 5821831), (62, 3380418), (67, 3128148), (93, 2253612), (124, 1690209), (134, 1564074), (186, 1126806), (201, 1042716), (268, 782037), (279, 751204), (372, 563403), (402, 521358), (558, 375602), (603, 347572), (804, 260679), (1116, 187801), (1206, 173786), (2077, 100908), (2412, 86893), (2803, 74772), (4154, 50454), (5606, 37386), (6231, 33636), (8308, 25227), (8409, 24924), (11212, 18693), (12462, 16818)]