31311445

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{293}}^1$

素因数の和:405

約数の個数: 32

約数和(自身を含む): 43182720

約数和(自身を除く): 11871275

約数列:

[1, 5, 11, 29, 55, 67, 145, 293, 319, 335, 737, 1465, 1595, 1943, 3223, 3685, 8497, 9715, 16115, 19631, 21373, 42485, 93467, 98155, 106865, 215941, 467335, 569299, 1079705, 2846495, 6262289, 31311445]

約数ペア:

[(1, 31311445), (5, 6262289), (11, 2846495), (29, 1079705), (55, 569299), (67, 467335), (145, 215941), (293, 106865), (319, 98155), (335, 93467), (737, 42485), (1465, 21373), (1595, 19631), (1943, 16115), (3223, 9715), (3685, 8497)]