91815070

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{1453}}^1$

素因数の和:1620

約数の個数: 32

約数和(自身を含む): 169594560

約数和(自身を除く): 77779490

約数列:

[1, 2, 5, 10, 71, 89, 142, 178, 355, 445, 710, 890, 1453, 2906, 6319, 7265, 12638, 14530, 31595, 63190, 103163, 129317, 206326, 258634, 515815, 646585, 1031630, 1293170, 9181507, 18363014, 45907535, 91815070]

約数ペア:

[(1, 91815070), (2, 45907535), (5, 18363014), (10, 9181507), (71, 1293170), (89, 1031630), (142, 646585), (178, 515815), (355, 258634), (445, 206326), (710, 129317), (890, 103163), (1453, 63190), (2906, 31595), (6319, 14530), (7265, 12638)]