81999554

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1031}}^1$

素因数の和:1095

約数の個数: 64

約数和(自身を含む): 166440960

約数和(自身を除く): 84441406

約数列:

[1, 2, 7, 13, 14, 19, 23, 26, 38, 46, 91, 133, 161, 182, 247, 266, 299, 322, 437, 494, 598, 874, 1031, 1729, 2062, 2093, 3059, 3458, 4186, 5681, 6118, 7217, 11362, 13403, 14434, 19589, 23713, 26806, 39178, 39767, 47426, 79534, 93821, 137123, 165991, 187642, 254657, 274246, 308269, 331982, 450547, 509314, 616538, 901094, 1782599, 2157883, 3153829, 3565198, 4315766, 5857111, 6307658, 11714222, 40999777, 81999554]

約数ペア:

[(1, 81999554), (2, 40999777), (7, 11714222), (13, 6307658), (14, 5857111), (19, 4315766), (23, 3565198), (26, 3153829), (38, 2157883), (46, 1782599), (91, 901094), (133, 616538), (161, 509314), (182, 450547), (247, 331982), (266, 308269), (299, 274246), (322, 254657), (437, 187642), (494, 165991), (598, 137123), (874, 93821), (1031, 79534), (1729, 47426), (2062, 39767), (2093, 39178), (3059, 26806), (3458, 23713), (4186, 19589), (5681, 14434), (6118, 13403), (7217, 11362)]