191917895

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{499}}^1$

素因数の和:675

約数の個数: 32

約数和(自身を含む): 255192000

約数和(自身を除く): 63274105

約数列:

[1, 5, 13, 61, 65, 97, 305, 485, 499, 793, 1261, 2495, 3965, 5917, 6305, 6487, 29585, 30439, 32435, 48403, 76921, 152195, 242015, 384605, 395707, 629239, 1978535, 2952583, 3146195, 14762915, 38383579, 191917895]

約数ペア:

[(1, 191917895), (5, 38383579), (13, 14762915), (61, 3146195), (65, 2952583), (97, 1978535), (305, 629239), (485, 395707), (499, 384605), (793, 242015), (1261, 152195), (2495, 76921), (3965, 48403), (5917, 32435), (6305, 30439), (6487, 29585)]