81316284

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{3373}}^1$

素因数の和:3435

約数の個数: 72

約数和(自身を含む): 226165968

約数和(自身を除く): 144849684

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 41, 42, 49, 82, 84, 98, 123, 147, 164, 196, 246, 287, 294, 492, 574, 588, 861, 1148, 1722, 2009, 3373, 3444, 4018, 6027, 6746, 8036, 10119, 12054, 13492, 20238, 23611, 24108, 40476, 47222, 70833, 94444, 138293, 141666, 165277, 276586, 283332, 330554, 414879, 495831, 553172, 661108, 829758, 968051, 991662, 1659516, 1936102, 1983324, 2904153, 3872204, 5808306, 6776357, 11616612, 13552714, 20329071, 27105428, 40658142, 81316284]

約数ペア:

[(1, 81316284), (2, 40658142), (3, 27105428), (4, 20329071), (6, 13552714), (7, 11616612), (12, 6776357), (14, 5808306), (21, 3872204), (28, 2904153), (41, 1983324), (42, 1936102), (49, 1659516), (82, 991662), (84, 968051), (98, 829758), (123, 661108), (147, 553172), (164, 495831), (196, 414879), (246, 330554), (287, 283332), (294, 276586), (492, 165277), (574, 141666), (588, 138293), (861, 94444), (1148, 70833), (1722, 47222), (2009, 40476), (3373, 24108), (3444, 23611), (4018, 20238), (6027, 13492), (6746, 12054), (8036, 10119)]