28291302

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{211}}^1$

素因数の和:426

約数の個数: 64

約数和(自身を含む): 68382720

約数和(自身を除く): 40091418

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 191, 211, 234, 351, 382, 422, 573, 633, 702, 1146, 1266, 1719, 1899, 2483, 2743, 3438, 3798, 4966, 5157, 5486, 5697, 7449, 8229, 10314, 11394, 14898, 16458, 22347, 24687, 40301, 44694, 49374, 67041, 74061, 80602, 120903, 134082, 148122, 241806, 362709, 523913, 725418, 1047826, 1088127, 1571739, 2176254, 3143478, 4715217, 9430434, 14145651, 28291302]

約数ペア:

[(1, 28291302), (2, 14145651), (3, 9430434), (6, 4715217), (9, 3143478), (13, 2176254), (18, 1571739), (26, 1088127), (27, 1047826), (39, 725418), (54, 523913), (78, 362709), (117, 241806), (191, 148122), (211, 134082), (234, 120903), (351, 80602), (382, 74061), (422, 67041), (573, 49374), (633, 44694), (702, 40301), (1146, 24687), (1266, 22347), (1719, 16458), (1899, 14898), (2483, 11394), (2743, 10314), (3438, 8229), (3798, 7449), (4966, 5697), (5157, 5486)]