331097305

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{269}}^1$

素因数の和:454

約数の個数: 64

約数和(自身を含む): 522547200

約数和(自身を除く): 191449895

約数列:

[1, 5, 7, 11, 23, 35, 55, 77, 115, 139, 161, 253, 269, 385, 695, 805, 973, 1265, 1345, 1529, 1771, 1883, 2959, 3197, 4865, 6187, 7645, 8855, 9415, 10703, 14795, 15985, 20713, 22379, 30935, 35167, 37391, 43309, 53515, 68057, 103565, 111895, 175835, 186955, 216545, 246169, 261737, 340285, 411301, 476399, 859993, 1230845, 1308685, 2056505, 2381995, 2879107, 4299965, 6019951, 9459923, 14395535, 30099755, 47299615, 66219461, 331097305]

約数ペア:

[(1, 331097305), (5, 66219461), (7, 47299615), (11, 30099755), (23, 14395535), (35, 9459923), (55, 6019951), (77, 4299965), (115, 2879107), (139, 2381995), (161, 2056505), (253, 1308685), (269, 1230845), (385, 859993), (695, 476399), (805, 411301), (973, 340285), (1265, 261737), (1345, 246169), (1529, 216545), (1771, 186955), (1883, 175835), (2959, 111895), (3197, 103565), (4865, 68057), (6187, 53515), (7645, 43309), (8855, 37391), (9415, 35167), (10703, 30935), (14795, 22379), (15985, 20713)]