821567144

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{115001}}^1$

素因数の和:115073

約数の個数: 32

約数和(自身を含む): 1656028800

約数和(自身を除く): 834461656

約数列:

[1, 2, 4, 8, 19, 38, 47, 76, 94, 152, 188, 376, 893, 1786, 3572, 7144, 115001, 230002, 460004, 920008, 2185019, 4370038, 5405047, 8740076, 10810094, 17480152, 21620188, 43240376, 102695893, 205391786, 410783572, 821567144]

約数ペア:

[(1, 821567144), (2, 410783572), (4, 205391786), (8, 102695893), (19, 43240376), (38, 21620188), (47, 17480152), (76, 10810094), (94, 8740076), (152, 5405047), (188, 4370038), (376, 2185019), (893, 920008), (1786, 460004), (3572, 230002), (7144, 115001)]