28506522

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{211}}^1$

素因数の和:339

約数の個数: 64

約数和(自身を含む): 65940480

約数和(自身を除く): 37433958

約数列:

[1, 2, 3, 6, 11, 22, 23, 33, 46, 66, 69, 89, 138, 178, 211, 253, 267, 422, 506, 534, 633, 759, 979, 1266, 1518, 1958, 2047, 2321, 2937, 4094, 4642, 4853, 5874, 6141, 6963, 9706, 12282, 13926, 14559, 18779, 22517, 29118, 37558, 45034, 53383, 56337, 67551, 106766, 112674, 135102, 160149, 206569, 320298, 413138, 431917, 619707, 863834, 1239414, 1295751, 2591502, 4751087, 9502174, 14253261, 28506522]

約数ペア:

[(1, 28506522), (2, 14253261), (3, 9502174), (6, 4751087), (11, 2591502), (22, 1295751), (23, 1239414), (33, 863834), (46, 619707), (66, 431917), (69, 413138), (89, 320298), (138, 206569), (178, 160149), (211, 135102), (253, 112674), (267, 106766), (422, 67551), (506, 56337), (534, 53383), (633, 45034), (759, 37558), (979, 29118), (1266, 22517), (1518, 18779), (1958, 14559), (2047, 13926), (2321, 12282), (2937, 9706), (4094, 6963), (4642, 6141), (4853, 5874)]