202190723

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{421}}^1$

素因数の和:627

約数の個数: 32

約数和(自身を含む): 256035840

約数和(自身を除く): 53845117

約数列:

[1, 7, 19, 23, 133, 157, 161, 421, 437, 1099, 2947, 2983, 3059, 3611, 7999, 9683, 20881, 25277, 55993, 66097, 67781, 68609, 183977, 462679, 480263, 1255843, 1287839, 1520231, 8790901, 10641617, 28884389, 202190723]

約数ペア:

[(1, 202190723), (7, 28884389), (19, 10641617), (23, 8790901), (133, 1520231), (157, 1287839), (161, 1255843), (421, 480263), (437, 462679), (1099, 183977), (2947, 68609), (2983, 67781), (3059, 66097), (3611, 55993), (7999, 25277), (9683, 20881)]