201221028

素因数分解:

$2^2\times 3^2\times {\mathrm{193}}^1\times {\mathrm{28961}}^1$

素因数の和:29164

約数の個数: 36

約数和(自身を含む): 511295148

約数和(自身を除く): 310074120

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 193, 386, 579, 772, 1158, 1737, 2316, 3474, 6948, 28961, 57922, 86883, 115844, 173766, 260649, 347532, 521298, 1042596, 5589473, 11178946, 16768419, 22357892, 33536838, 50305257, 67073676, 100610514, 201221028]

約数ペア:

[(1, 201221028), (2, 100610514), (3, 67073676), (4, 50305257), (6, 33536838), (9, 22357892), (12, 16768419), (18, 11178946), (36, 5589473), (193, 1042596), (386, 521298), (579, 347532), (772, 260649), (1158, 173766), (1737, 115844), (2316, 86883), (3474, 57922), (6948, 28961)]