81985884

素因数分解:

$2^2\times 3^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1\times {\mathrm{439}}^1$

素因数の和:722

約数の個数: 48

約数和(自身を含む): 195148800

約数和(自身を除く): 113162916

約数列:

[1, 2, 3, 4, 6, 12, 79, 158, 197, 237, 316, 394, 439, 474, 591, 788, 878, 948, 1182, 1317, 1756, 2364, 2634, 5268, 15563, 31126, 34681, 46689, 62252, 69362, 86483, 93378, 104043, 138724, 172966, 186756, 208086, 259449, 345932, 416172, 518898, 1037796, 6832157, 13664314, 20496471, 27328628, 40992942, 81985884]

約数ペア:

[(1, 81985884), (2, 40992942), (3, 27328628), (4, 20496471), (6, 13664314), (12, 6832157), (79, 1037796), (158, 518898), (197, 416172), (237, 345932), (316, 259449), (394, 208086), (439, 186756), (474, 172966), (591, 138724), (788, 104043), (878, 93378), (948, 86483), (1182, 69362), (1317, 62252), (1756, 46689), (2364, 34681), (2634, 31126), (5268, 15563)]