128438076

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{467}}^1$

素因数の和:571

約数の個数: 96

約数和(自身を含む): 339026688

約数和(自身を除く): 210588612

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 41, 43, 52, 78, 82, 86, 123, 129, 156, 164, 172, 246, 258, 467, 492, 516, 533, 559, 934, 1066, 1118, 1401, 1599, 1677, 1763, 1868, 2132, 2236, 2802, 3198, 3354, 3526, 5289, 5604, 6071, 6396, 6708, 7052, 10578, 12142, 18213, 19147, 20081, 21156, 22919, 24284, 36426, 38294, 40162, 45838, 57441, 60243, 68757, 72852, 76588, 80324, 91676, 114882, 120486, 137514, 229764, 240972, 248911, 261053, 275028, 497822, 522106, 746733, 783159, 823321, 995644, 1044212, 1493466, 1566318, 1646642, 2469963, 2986932, 3132636, 3293284, 4939926, 9879852, 10703173, 21406346, 32109519, 42812692, 64219038, 128438076]

約数ペア:

[(1, 128438076), (2, 64219038), (3, 42812692), (4, 32109519), (6, 21406346), (12, 10703173), (13, 9879852), (26, 4939926), (39, 3293284), (41, 3132636), (43, 2986932), (52, 2469963), (78, 1646642), (82, 1566318), (86, 1493466), (123, 1044212), (129, 995644), (156, 823321), (164, 783159), (172, 746733), (246, 522106), (258, 497822), (467, 275028), (492, 261053), (516, 248911), (533, 240972), (559, 229764), (934, 137514), (1066, 120486), (1118, 114882), (1401, 91676), (1599, 80324), (1677, 76588), (1763, 72852), (1868, 68757), (2132, 60243), (2236, 57441), (2802, 45838), (3198, 40162), (3354, 38294), (3526, 36426), (5289, 24284), (5604, 22919), (6071, 21156), (6396, 20081), (6708, 19147), (7052, 18213), (10578, 12142)]