28281918

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:182

約数の個数: 96

約数和(自身を含む): 71245440

約数和(自身を除く): 42963522

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 49, 57, 61, 83, 98, 114, 122, 133, 147, 166, 183, 249, 266, 294, 366, 399, 427, 498, 581, 798, 854, 931, 1159, 1162, 1281, 1577, 1743, 1862, 2318, 2562, 2793, 2989, 3154, 3477, 3486, 4067, 4731, 5063, 5586, 5978, 6954, 8113, 8134, 8967, 9462, 10126, 11039, 12201, 15189, 16226, 17934, 22078, 24339, 24402, 30378, 33117, 35441, 48678, 56791, 66234, 70882, 77273, 96197, 106323, 113582, 154546, 170373, 192394, 212646, 231819, 248087, 288591, 340746, 463638, 496174, 577182, 673379, 744261, 1346758, 1488522, 2020137, 4040274, 4713653, 9427306, 14140959, 28281918]

約数ペア:

[(1, 28281918), (2, 14140959), (3, 9427306), (6, 4713653), (7, 4040274), (14, 2020137), (19, 1488522), (21, 1346758), (38, 744261), (42, 673379), (49, 577182), (57, 496174), (61, 463638), (83, 340746), (98, 288591), (114, 248087), (122, 231819), (133, 212646), (147, 192394), (166, 170373), (183, 154546), (249, 113582), (266, 106323), (294, 96197), (366, 77273), (399, 70882), (427, 66234), (498, 56791), (581, 48678), (798, 35441), (854, 33117), (931, 30378), (1159, 24402), (1162, 24339), (1281, 22078), (1577, 17934), (1743, 16226), (1862, 15189), (2318, 12201), (2562, 11039), (2793, 10126), (2989, 9462), (3154, 8967), (3477, 8134), (3486, 8113), (4067, 6954), (4731, 5978), (5063, 5586)]