13128934

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{179}}^1$

素因数の和:245

約数の個数: 48

約数和(自身を含む): 25297920

約数和(自身を除く): 12168986

約数列:

[1, 2, 7, 13, 14, 26, 31, 62, 91, 169, 179, 182, 217, 338, 358, 403, 434, 806, 1183, 1253, 2327, 2366, 2506, 2821, 4654, 5239, 5549, 5642, 10478, 11098, 16289, 30251, 32578, 36673, 38843, 60502, 72137, 73346, 77686, 144274, 211757, 423514, 504959, 937781, 1009918, 1875562, 6564467, 13128934]

約数ペア:

[(1, 13128934), (2, 6564467), (7, 1875562), (13, 1009918), (14, 937781), (26, 504959), (31, 423514), (62, 211757), (91, 144274), (169, 77686), (179, 73346), (182, 72137), (217, 60502), (338, 38843), (358, 36673), (403, 32578), (434, 30251), (806, 16289), (1183, 11098), (1253, 10478), (2327, 5642), (2366, 5549), (2506, 5239), (2821, 4654)]