128666492

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{409}}^1$

素因数の和:546

約数の個数: 48

約数和(自身を含む): 242457600

約数和(自身を除く): 113791108

約数列:

[1, 2, 4, 31, 43, 59, 62, 86, 118, 124, 172, 236, 409, 818, 1333, 1636, 1829, 2537, 2666, 3658, 5074, 5332, 7316, 10148, 12679, 17587, 24131, 25358, 35174, 48262, 50716, 70348, 78647, 96524, 157294, 314588, 545197, 748061, 1037633, 1090394, 1496122, 2075266, 2180788, 2992244, 4150532, 32166623, 64333246, 128666492]

約数ペア:

[(1, 128666492), (2, 64333246), (4, 32166623), (31, 4150532), (43, 2992244), (59, 2180788), (62, 2075266), (86, 1496122), (118, 1090394), (124, 1037633), (172, 748061), (236, 545197), (409, 314588), (818, 157294), (1333, 96524), (1636, 78647), (1829, 70348), (2537, 50716), (2666, 48262), (3658, 35174), (5074, 25358), (5332, 24131), (7316, 17587), (10148, 12679)]