28160244

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{193}}^2$

素因数の和:406

約数の個数: 72

約数和(自身を含む): 83872320

約数和(自身を除く): 55712076

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 193, 252, 378, 386, 579, 756, 772, 1158, 1351, 1737, 2316, 2702, 3474, 4053, 5211, 5404, 6948, 8106, 10422, 12159, 16212, 20844, 24318, 36477, 37249, 48636, 72954, 74498, 111747, 145908, 148996, 223494, 260743, 335241, 446988, 521486, 670482, 782229, 1005723, 1042972, 1340964, 1564458, 2011446, 2346687, 3128916, 4022892, 4693374, 7040061, 9386748, 14080122, 28160244]

約数ペア:

[(1, 28160244), (2, 14080122), (3, 9386748), (4, 7040061), (6, 4693374), (7, 4022892), (9, 3128916), (12, 2346687), (14, 2011446), (18, 1564458), (21, 1340964), (27, 1042972), (28, 1005723), (36, 782229), (42, 670482), (54, 521486), (63, 446988), (84, 335241), (108, 260743), (126, 223494), (189, 148996), (193, 145908), (252, 111747), (378, 74498), (386, 72954), (579, 48636), (756, 37249), (772, 36477), (1158, 24318), (1351, 20844), (1737, 16212), (2316, 12159), (2702, 10422), (3474, 8106), (4053, 6948), (5211, 5404)]