248847235

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:177

約数の個数: 96

約数和(自身を含む): 404490240

約数和(自身を除く): 155643005

約数列:

[1, 5, 7, 13, 23, 35, 43, 49, 65, 79, 91, 115, 161, 215, 245, 299, 301, 395, 455, 553, 559, 637, 805, 989, 1027, 1127, 1495, 1505, 1817, 2093, 2107, 2765, 2795, 3185, 3397, 3871, 3913, 4945, 5135, 5635, 6923, 7189, 9085, 10465, 10535, 12719, 12857, 14651, 16985, 19355, 19565, 23621, 23779, 27391, 34615, 35945, 44161, 48461, 50323, 63595, 64285, 73255, 78131, 89033, 89999, 118105, 118895, 136955, 165347, 166453, 220805, 242305, 251615, 309127, 390655, 445165, 449995, 546917, 629993, 826735, 832265, 1015703, 1157429, 1545635, 2163889, 2734585, 3149965, 3828419, 5078515, 5787145, 7109921, 10819445, 19142095, 35549605, 49769447, 248847235]

約数ペア:

[(1, 248847235), (5, 49769447), (7, 35549605), (13, 19142095), (23, 10819445), (35, 7109921), (43, 5787145), (49, 5078515), (65, 3828419), (79, 3149965), (91, 2734585), (115, 2163889), (161, 1545635), (215, 1157429), (245, 1015703), (299, 832265), (301, 826735), (395, 629993), (455, 546917), (553, 449995), (559, 445165), (637, 390655), (805, 309127), (989, 251615), (1027, 242305), (1127, 220805), (1495, 166453), (1505, 165347), (1817, 136955), (2093, 118895), (2107, 118105), (2765, 89999), (2795, 89033), (3185, 78131), (3397, 73255), (3871, 64285), (3913, 63595), (4945, 50323), (5135, 48461), (5635, 44161), (6923, 35945), (7189, 34615), (9085, 27391), (10465, 23779), (10535, 23621), (12719, 19565), (12857, 19355), (14651, 16985)]