1987804

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:194

約数の個数: 48

約数和(自身を含む): 4415488

約数和(自身を除く): 2427684

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 43, 52, 86, 91, 127, 172, 182, 254, 301, 364, 508, 559, 602, 889, 1118, 1204, 1651, 1778, 2236, 3302, 3556, 3913, 5461, 6604, 7826, 10922, 11557, 15652, 21844, 23114, 38227, 46228, 70993, 76454, 141986, 152908, 283972, 496951, 993902, 1987804]

約数ペア:

[(1, 1987804), (2, 993902), (4, 496951), (7, 283972), (13, 152908), (14, 141986), (26, 76454), (28, 70993), (43, 46228), (52, 38227), (86, 23114), (91, 21844), (127, 15652), (172, 11557), (182, 10922), (254, 7826), (301, 6604), (364, 5461), (508, 3913), (559, 3556), (602, 3302), (889, 2236), (1118, 1778), (1204, 1651)]