81204830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{16339}}^1$

素因数の和:16424

約数の個数: 32

約数和(自身を含む): 169413120

約数和(自身を除く): 88208290

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 71, 142, 355, 497, 710, 994, 2485, 4970, 16339, 32678, 81695, 114373, 163390, 228746, 571865, 1143730, 1160069, 2320138, 5800345, 8120483, 11600690, 16240966, 40602415, 81204830]

約数ペア:

[(1, 81204830), (2, 40602415), (5, 16240966), (7, 11600690), (10, 8120483), (14, 5800345), (35, 2320138), (70, 1160069), (71, 1143730), (142, 571865), (355, 228746), (497, 163390), (710, 114373), (994, 81695), (2485, 32678), (4970, 16339)]