28897456

素因数分解:

$2^4\times 7^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:123

約数の個数: 120

約数和(自身を含む): 71245440

約数和(自身を除く): 42347984

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 31, 41, 49, 56, 58, 62, 82, 98, 112, 116, 124, 164, 196, 203, 217, 232, 248, 287, 328, 392, 406, 434, 464, 496, 574, 656, 784, 812, 868, 899, 1148, 1189, 1271, 1421, 1519, 1624, 1736, 1798, 2009, 2296, 2378, 2542, 2842, 3038, 3248, 3472, 3596, 4018, 4592, 4756, 5084, 5684, 6076, 6293, 7192, 8036, 8323, 8897, 9512, 10168, 11368, 12152, 12586, 14384, 16072, 16646, 17794, 19024, 20336, 22736, 24304, 25172, 32144, 33292, 35588, 36859, 44051, 50344, 58261, 62279, 66584, 71176, 73718, 88102, 100688, 116522, 124558, 133168, 142352, 147436, 176204, 233044, 249116, 258013, 294872, 352408, 466088, 498232, 516026, 589744, 704816, 932176, 996464, 1032052, 1806091, 2064104, 3612182, 4128208, 7224364, 14448728, 28897456]

約数ペア:

[(1, 28897456), (2, 14448728), (4, 7224364), (7, 4128208), (8, 3612182), (14, 2064104), (16, 1806091), (28, 1032052), (29, 996464), (31, 932176), (41, 704816), (49, 589744), (56, 516026), (58, 498232), (62, 466088), (82, 352408), (98, 294872), (112, 258013), (116, 249116), (124, 233044), (164, 176204), (196, 147436), (203, 142352), (217, 133168), (232, 124558), (248, 116522), (287, 100688), (328, 88102), (392, 73718), (406, 71176), (434, 66584), (464, 62279), (496, 58261), (574, 50344), (656, 44051), (784, 36859), (812, 35588), (868, 33292), (899, 32144), (1148, 25172), (1189, 24304), (1271, 22736), (1421, 20336), (1519, 19024), (1624, 17794), (1736, 16646), (1798, 16072), (2009, 14384), (2296, 12586), (2378, 12152), (2542, 11368), (2842, 10168), (3038, 9512), (3248, 8897), (3472, 8323), (3596, 8036), (4018, 7192), (4592, 6293), (4756, 6076), (5084, 5684)]