28357728

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2221}}^1$

素因数の和:2260

約数の個数: 96

約数和(自身を含む): 89591040

約数和(自身を除く): 61233312

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 32, 38, 42, 48, 56, 57, 76, 84, 96, 112, 114, 133, 152, 168, 224, 228, 266, 304, 336, 399, 456, 532, 608, 672, 798, 912, 1064, 1596, 1824, 2128, 2221, 3192, 4256, 4442, 6384, 6663, 8884, 12768, 13326, 15547, 17768, 26652, 31094, 35536, 42199, 46641, 53304, 62188, 71072, 84398, 93282, 106608, 124376, 126597, 168796, 186564, 213216, 248752, 253194, 295393, 337592, 373128, 497504, 506388, 590786, 675184, 746256, 886179, 1012776, 1181572, 1350368, 1492512, 1772358, 2025552, 2363144, 3544716, 4051104, 4726288, 7089432, 9452576, 14178864, 28357728]

約数ペア:

[(1, 28357728), (2, 14178864), (3, 9452576), (4, 7089432), (6, 4726288), (7, 4051104), (8, 3544716), (12, 2363144), (14, 2025552), (16, 1772358), (19, 1492512), (21, 1350368), (24, 1181572), (28, 1012776), (32, 886179), (38, 746256), (42, 675184), (48, 590786), (56, 506388), (57, 497504), (76, 373128), (84, 337592), (96, 295393), (112, 253194), (114, 248752), (133, 213216), (152, 186564), (168, 168796), (224, 126597), (228, 124376), (266, 106608), (304, 93282), (336, 84398), (399, 71072), (456, 62188), (532, 53304), (608, 46641), (672, 42199), (798, 35536), (912, 31094), (1064, 26652), (1596, 17768), (1824, 15547), (2128, 13326), (2221, 12768), (3192, 8884), (4256, 6663), (4442, 6384)]