28198324

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1$

素因数の和:110

約数の個数: 108

約数和(自身を含む): 66864420

約数和(自身を除く): 38666096

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 29, 41, 44, 49, 58, 77, 82, 98, 116, 121, 154, 164, 196, 203, 242, 287, 308, 319, 406, 451, 484, 539, 574, 638, 812, 847, 902, 1078, 1148, 1189, 1276, 1421, 1694, 1804, 2009, 2156, 2233, 2378, 2842, 3157, 3388, 3509, 4018, 4466, 4756, 4961, 5684, 5929, 6314, 7018, 8036, 8323, 8932, 9922, 11858, 12628, 13079, 14036, 15631, 16646, 19844, 22099, 23716, 24563, 26158, 31262, 33292, 34727, 44198, 49126, 52316, 58261, 62524, 69454, 88396, 91553, 98252, 116522, 138908, 143869, 171941, 183106, 233044, 243089, 287738, 343882, 366212, 486178, 575476, 640871, 687764, 972356, 1007083, 1281742, 2014166, 2563484, 4028332, 7049581, 14099162, 28198324]

約数ペア:

[(1, 28198324), (2, 14099162), (4, 7049581), (7, 4028332), (11, 2563484), (14, 2014166), (22, 1281742), (28, 1007083), (29, 972356), (41, 687764), (44, 640871), (49, 575476), (58, 486178), (77, 366212), (82, 343882), (98, 287738), (116, 243089), (121, 233044), (154, 183106), (164, 171941), (196, 143869), (203, 138908), (242, 116522), (287, 98252), (308, 91553), (319, 88396), (406, 69454), (451, 62524), (484, 58261), (539, 52316), (574, 49126), (638, 44198), (812, 34727), (847, 33292), (902, 31262), (1078, 26158), (1148, 24563), (1189, 23716), (1276, 22099), (1421, 19844), (1694, 16646), (1804, 15631), (2009, 14036), (2156, 13079), (2233, 12628), (2378, 11858), (2842, 9922), (3157, 8932), (3388, 8323), (3509, 8036), (4018, 7018), (4466, 6314), (4756, 5929), (4961, 5684)]