28487004

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1373}}^1$

素因数の和:1419

約数の個数: 96

約数和(自身を含む): 86177280

約数和(自身を除く): 57690276

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 19, 21, 26, 28, 38, 39, 42, 52, 57, 76, 78, 84, 91, 114, 133, 156, 182, 228, 247, 266, 273, 364, 399, 494, 532, 546, 741, 798, 988, 1092, 1373, 1482, 1596, 1729, 2746, 2964, 3458, 4119, 5187, 5492, 6916, 8238, 9611, 10374, 16476, 17849, 19222, 20748, 26087, 28833, 35698, 38444, 52174, 53547, 57666, 71396, 78261, 104348, 107094, 115332, 124943, 156522, 182609, 214188, 249886, 313044, 339131, 365218, 374829, 499772, 547827, 678262, 730436, 749658, 1017393, 1095654, 1356524, 1499316, 2034786, 2191308, 2373917, 4069572, 4747834, 7121751, 9495668, 14243502, 28487004]

約数ペア:

[(1, 28487004), (2, 14243502), (3, 9495668), (4, 7121751), (6, 4747834), (7, 4069572), (12, 2373917), (13, 2191308), (14, 2034786), (19, 1499316), (21, 1356524), (26, 1095654), (28, 1017393), (38, 749658), (39, 730436), (42, 678262), (52, 547827), (57, 499772), (76, 374829), (78, 365218), (84, 339131), (91, 313044), (114, 249886), (133, 214188), (156, 182609), (182, 156522), (228, 124943), (247, 115332), (266, 107094), (273, 104348), (364, 78261), (399, 71396), (494, 57666), (532, 53547), (546, 52174), (741, 38444), (798, 35698), (988, 28833), (1092, 26087), (1373, 20748), (1482, 19222), (1596, 17849), (1729, 16476), (2746, 10374), (2964, 9611), (3458, 8238), (4119, 6916), (5187, 5492)]