28667436

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1$

素因数の和:255

約数の個数: 96

約数和(自身を含む): 80424960

約数和(自身を除く): 51757524

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 42, 62, 84, 93, 101, 109, 124, 186, 202, 217, 218, 303, 327, 372, 404, 434, 436, 606, 651, 654, 707, 763, 868, 1212, 1302, 1308, 1414, 1526, 2121, 2289, 2604, 2828, 3052, 3131, 3379, 4242, 4578, 6262, 6758, 8484, 9156, 9393, 10137, 11009, 12524, 13516, 18786, 20274, 21917, 22018, 23653, 33027, 37572, 40548, 43834, 44036, 47306, 65751, 66054, 70959, 77063, 87668, 94612, 131502, 132108, 141918, 154126, 231189, 263004, 283836, 308252, 341279, 462378, 682558, 924756, 1023837, 1365116, 2047674, 2388953, 4095348, 4777906, 7166859, 9555812, 14333718, 28667436]

約数ペア:

[(1, 28667436), (2, 14333718), (3, 9555812), (4, 7166859), (6, 4777906), (7, 4095348), (12, 2388953), (14, 2047674), (21, 1365116), (28, 1023837), (31, 924756), (42, 682558), (62, 462378), (84, 341279), (93, 308252), (101, 283836), (109, 263004), (124, 231189), (186, 154126), (202, 141918), (217, 132108), (218, 131502), (303, 94612), (327, 87668), (372, 77063), (404, 70959), (434, 66054), (436, 65751), (606, 47306), (651, 44036), (654, 43834), (707, 40548), (763, 37572), (868, 33027), (1212, 23653), (1302, 22018), (1308, 21917), (1414, 20274), (1526, 18786), (2121, 13516), (2289, 12524), (2604, 11009), (2828, 10137), (3052, 9393), (3131, 9156), (3379, 8484), (4242, 6758), (4578, 6262)]