28176449

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1$

素因数の和:261

約数の個数: 32

約数和(自身を含む): 36188160

約数和(自身を除く): 8011711

約数列:

[1, 7, 19, 23, 61, 133, 151, 161, 427, 437, 1057, 1159, 1403, 2869, 3059, 3473, 8113, 9211, 9821, 20083, 24311, 26657, 64477, 65987, 175009, 186599, 211853, 461909, 1225063, 1482971, 4025207, 28176449]

約数ペア:

[(1, 28176449), (7, 4025207), (19, 1482971), (23, 1225063), (61, 461909), (133, 211853), (151, 186599), (161, 175009), (427, 65987), (437, 64477), (1057, 26657), (1159, 24311), (1403, 20083), (2869, 9821), (3059, 9211), (3473, 8113)]