31981398

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{1237}}^1$

素因数の和:1412

約数の個数: 32

約数和(自身を含む): 66554880

約数和(自身を除く): 34573482

約数列:

[1, 2, 3, 6, 31, 62, 93, 139, 186, 278, 417, 834, 1237, 2474, 3711, 4309, 7422, 8618, 12927, 25854, 38347, 76694, 115041, 171943, 230082, 343886, 515829, 1031658, 5330233, 10660466, 15990699, 31981398]

約数ペア:

[(1, 31981398), (2, 15990699), (3, 10660466), (6, 5330233), (31, 1031658), (62, 515829), (93, 343886), (139, 230082), (186, 171943), (278, 115041), (417, 76694), (834, 38347), (1237, 25854), (2474, 12927), (3711, 8618), (4309, 7422)]