28828130

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{2137}}^1$

素因数の和:2234

約数の個数: 32

約数和(自身を含む): 55416960

約数和(自身を除く): 26588830

約数列:

[1, 2, 5, 10, 19, 38, 71, 95, 142, 190, 355, 710, 1349, 2137, 2698, 4274, 6745, 10685, 13490, 21370, 40603, 81206, 151727, 203015, 303454, 406030, 758635, 1517270, 2882813, 5765626, 14414065, 28828130]

約数ペア:

[(1, 28828130), (2, 14414065), (5, 5765626), (10, 2882813), (19, 1517270), (38, 758635), (71, 406030), (95, 303454), (142, 203015), (190, 151727), (355, 81206), (710, 40603), (1349, 21370), (2137, 13490), (2698, 10685), (4274, 6745)]