199222828

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{877}}^1$

素因数の和:975

約数の個数: 72

約数和(自身を含む): 434399280

約数和(自身を除く): 235176452

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 61, 76, 98, 122, 133, 196, 244, 266, 427, 532, 854, 877, 931, 1159, 1708, 1754, 1862, 2318, 2989, 3508, 3724, 4636, 5978, 6139, 8113, 11956, 12278, 16226, 16663, 24556, 32452, 33326, 42973, 53497, 56791, 66652, 85946, 106994, 113582, 116641, 171892, 213988, 227164, 233282, 374479, 466564, 748958, 816487, 1016443, 1497916, 1632974, 2032886, 2621353, 3265948, 4065772, 5242706, 7115101, 10485412, 14230202, 28460404, 49805707, 99611414, 199222828]

約数ペア:

[(1, 199222828), (2, 99611414), (4, 49805707), (7, 28460404), (14, 14230202), (19, 10485412), (28, 7115101), (38, 5242706), (49, 4065772), (61, 3265948), (76, 2621353), (98, 2032886), (122, 1632974), (133, 1497916), (196, 1016443), (244, 816487), (266, 748958), (427, 466564), (532, 374479), (854, 233282), (877, 227164), (931, 213988), (1159, 171892), (1708, 116641), (1754, 113582), (1862, 106994), (2318, 85946), (2989, 66652), (3508, 56791), (3724, 53497), (4636, 42973), (5978, 33326), (6139, 32452), (8113, 24556), (11956, 16663), (12278, 16226)]