28975408

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{811}}^1$

素因数の和:866

約数の個数: 80

約数和(自身を含む): 72495360

約数和(自身を除く): 43519952

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 29, 44, 56, 58, 77, 88, 112, 116, 154, 176, 203, 232, 308, 319, 406, 464, 616, 638, 811, 812, 1232, 1276, 1622, 1624, 2233, 2552, 3244, 3248, 4466, 5104, 5677, 6488, 8921, 8932, 11354, 12976, 17842, 17864, 22708, 23519, 35684, 35728, 45416, 47038, 62447, 71368, 90832, 94076, 124894, 142736, 164633, 188152, 249788, 258709, 329266, 376304, 499576, 517418, 658532, 999152, 1034836, 1317064, 1810963, 2069672, 2634128, 3621926, 4139344, 7243852, 14487704, 28975408]

約数ペア:

[(1, 28975408), (2, 14487704), (4, 7243852), (7, 4139344), (8, 3621926), (11, 2634128), (14, 2069672), (16, 1810963), (22, 1317064), (28, 1034836), (29, 999152), (44, 658532), (56, 517418), (58, 499576), (77, 376304), (88, 329266), (112, 258709), (116, 249788), (154, 188152), (176, 164633), (203, 142736), (232, 124894), (308, 94076), (319, 90832), (406, 71368), (464, 62447), (616, 47038), (638, 45416), (811, 35728), (812, 35684), (1232, 23519), (1276, 22708), (1622, 17864), (1624, 17842), (2233, 12976), (2552, 11354), (3244, 8932), (3248, 8921), (4466, 6488), (5104, 5677)]