178812790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{19373}}^1$

素因数の和:19464

約数の個数: 32

約数和(自身を含む): 351521856

約数和(自身を除く): 172709066

約数列:

[1, 2, 5, 10, 13, 26, 65, 71, 130, 142, 355, 710, 923, 1846, 4615, 9230, 19373, 38746, 96865, 193730, 251849, 503698, 1259245, 1375483, 2518490, 2750966, 6877415, 13754830, 17881279, 35762558, 89406395, 178812790]

約数ペア:

[(1, 178812790), (2, 89406395), (5, 35762558), (10, 17881279), (13, 13754830), (26, 6877415), (65, 2750966), (71, 2518490), (130, 1375483), (142, 1259245), (355, 503698), (710, 251849), (923, 193730), (1846, 96865), (4615, 38746), (9230, 19373)]