28615857985

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1021}}^1\times {\mathrm{39199}}^1$

素因数の和:40249

約数の個数: 32

約数和(自身を含む): 40382899200

約数和(自身を除く): 11767041215

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 1021, 5105, 11231, 13273, 39199, 56155, 66365, 146003, 195995, 431189, 509587, 730015, 2155945, 2547935, 5605457, 28027285, 40022179, 200110895, 440243969, 520288327, 2201219845, 2601441635, 5723171597, 28615857985]

約数ペア:

[(1, 28615857985), (5, 5723171597), (11, 2601441635), (13, 2201219845), (55, 520288327), (65, 440243969), (143, 200110895), (715, 40022179), (1021, 28027285), (5105, 5605457), (11231, 2547935), (13273, 2155945), (39199, 730015), (56155, 509587), (66365, 431189), (146003, 195995)]