28999278

素因数分解:

$2^1\times 3^2\times 7^4\times {\mathrm{11}}^1\times {\mathrm{61}}^1$

素因数の和:108

約数の個数: 120

約数和(自身を含む): 81273816

約数和(自身を除く): 52274538

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 49, 61, 63, 66, 77, 98, 99, 122, 126, 147, 154, 183, 198, 231, 294, 343, 366, 427, 441, 462, 539, 549, 671, 686, 693, 854, 882, 1029, 1078, 1098, 1281, 1342, 1386, 1617, 2013, 2058, 2401, 2562, 2989, 3087, 3234, 3773, 3843, 4026, 4697, 4802, 4851, 5978, 6039, 6174, 7203, 7546, 7686, 8967, 9394, 9702, 11319, 12078, 14091, 14406, 17934, 20923, 21609, 22638, 26411, 26901, 28182, 32879, 33957, 41846, 42273, 43218, 52822, 53802, 62769, 65758, 67914, 79233, 84546, 98637, 125538, 146461, 158466, 188307, 197274, 230153, 237699, 292922, 295911, 376614, 439383, 460306, 475398, 591822, 690459, 878766, 1318149, 1380918, 1611071, 2071377, 2636298, 3222142, 4142754, 4833213, 9666426, 14499639, 28999278]

約数ペア:

[(1, 28999278), (2, 14499639), (3, 9666426), (6, 4833213), (7, 4142754), (9, 3222142), (11, 2636298), (14, 2071377), (18, 1611071), (21, 1380918), (22, 1318149), (33, 878766), (42, 690459), (49, 591822), (61, 475398), (63, 460306), (66, 439383), (77, 376614), (98, 295911), (99, 292922), (122, 237699), (126, 230153), (147, 197274), (154, 188307), (183, 158466), (198, 146461), (231, 125538), (294, 98637), (343, 84546), (366, 79233), (427, 67914), (441, 65758), (462, 62769), (539, 53802), (549, 52822), (671, 43218), (686, 42273), (693, 41846), (854, 33957), (882, 32879), (1029, 28182), (1078, 26901), (1098, 26411), (1281, 22638), (1342, 21609), (1386, 20923), (1617, 17934), (2013, 14406), (2058, 14091), (2401, 12078), (2562, 11319), (2989, 9702), (3087, 9394), (3234, 8967), (3773, 7686), (3843, 7546), (4026, 7203), (4697, 6174), (4802, 6039), (4851, 5978)]