81958730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{211}}^1$

素因数の和:435

約数の個数: 64

約数和(自身を含む): 175841280

約数和(自身を除く): 93882550

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 179, 211, 217, 310, 358, 422, 434, 895, 1055, 1085, 1253, 1477, 1790, 2110, 2170, 2506, 2954, 5549, 6265, 6541, 7385, 11098, 12530, 13082, 14770, 27745, 32705, 37769, 38843, 45787, 55490, 65410, 75538, 77686, 91574, 188845, 194215, 228935, 264383, 377690, 388430, 457870, 528766, 1170839, 1321915, 2341678, 2643830, 5854195, 8195873, 11708390, 16391746, 40979365, 81958730]

約数ペア:

[(1, 81958730), (2, 40979365), (5, 16391746), (7, 11708390), (10, 8195873), (14, 5854195), (31, 2643830), (35, 2341678), (62, 1321915), (70, 1170839), (155, 528766), (179, 457870), (211, 388430), (217, 377690), (310, 264383), (358, 228935), (422, 194215), (434, 188845), (895, 91574), (1055, 77686), (1085, 75538), (1253, 65410), (1477, 55490), (1790, 45787), (2110, 38843), (2170, 37769), (2506, 32705), (2954, 27745), (5549, 14770), (6265, 13082), (6541, 12530), (7385, 11098)]