28828548

素因数分解:

$2^2\times 3^5\times 7^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1$

素因数の和:268

約数の個数: 144

約数和(自身を含む): 91320320

約数和(自身を除く): 62491772

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 27, 28, 36, 38, 42, 54, 57, 63, 76, 81, 84, 108, 114, 126, 133, 162, 171, 189, 223, 228, 243, 252, 266, 324, 342, 378, 399, 446, 486, 513, 532, 567, 669, 684, 756, 798, 892, 972, 1026, 1134, 1197, 1338, 1539, 1561, 1596, 1701, 2007, 2052, 2268, 2394, 2676, 3078, 3122, 3402, 3591, 4014, 4237, 4617, 4683, 4788, 6021, 6156, 6244, 6804, 7182, 8028, 8474, 9234, 9366, 10773, 12042, 12711, 14049, 14364, 16948, 18063, 18468, 18732, 21546, 24084, 25422, 28098, 29659, 32319, 36126, 38133, 42147, 43092, 50844, 54189, 56196, 59318, 64638, 72252, 76266, 84294, 88977, 108378, 114399, 118636, 126441, 129276, 152532, 168588, 177954, 216756, 228798, 252882, 266931, 343197, 355908, 379323, 457596, 505764, 533862, 686394, 758646, 800793, 1029591, 1067724, 1372788, 1517292, 1601586, 2059182, 2402379, 3203172, 4118364, 4804758, 7207137, 9609516, 14414274, 28828548]

約数ペア:

[(1, 28828548), (2, 14414274), (3, 9609516), (4, 7207137), (6, 4804758), (7, 4118364), (9, 3203172), (12, 2402379), (14, 2059182), (18, 1601586), (19, 1517292), (21, 1372788), (27, 1067724), (28, 1029591), (36, 800793), (38, 758646), (42, 686394), (54, 533862), (57, 505764), (63, 457596), (76, 379323), (81, 355908), (84, 343197), (108, 266931), (114, 252882), (126, 228798), (133, 216756), (162, 177954), (171, 168588), (189, 152532), (223, 129276), (228, 126441), (243, 118636), (252, 114399), (266, 108378), (324, 88977), (342, 84294), (378, 76266), (399, 72252), (446, 64638), (486, 59318), (513, 56196), (532, 54189), (567, 50844), (669, 43092), (684, 42147), (756, 38133), (798, 36126), (892, 32319), (972, 29659), (1026, 28098), (1134, 25422), (1197, 24084), (1338, 21546), (1539, 18732), (1561, 18468), (1596, 18063), (1701, 16948), (2007, 14364), (2052, 14049), (2268, 12711), (2394, 12042), (2676, 10773), (3078, 9366), (3122, 9234), (3402, 8474), (3591, 8028), (4014, 7182), (4237, 6804), (4617, 6244), (4683, 6156), (4788, 6021)]