245198736

素因数分解:

$2^4\times 3^2\times {\mathrm{1289}}^1\times {\mathrm{1321}}^1$

素因数の和:2624

約数の個数: 60

約数和(自身を含む): 687268140

約数和(自身を除く): 442069404

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 1289, 1321, 2578, 2642, 3867, 3963, 5156, 5284, 7734, 7926, 10312, 10568, 11601, 11889, 15468, 15852, 20624, 21136, 23202, 23778, 30936, 31704, 46404, 47556, 61872, 63408, 92808, 95112, 185616, 190224, 1702769, 3405538, 5108307, 6811076, 10216614, 13622152, 15324921, 20433228, 27244304, 30649842, 40866456, 61299684, 81732912, 122599368, 245198736]

約数ペア:

[(1, 245198736), (2, 122599368), (3, 81732912), (4, 61299684), (6, 40866456), (8, 30649842), (9, 27244304), (12, 20433228), (16, 15324921), (18, 13622152), (24, 10216614), (36, 6811076), (48, 5108307), (72, 3405538), (144, 1702769), (1289, 190224), (1321, 185616), (2578, 95112), (2642, 92808), (3867, 63408), (3963, 61872), (5156, 47556), (5284, 46404), (7734, 31704), (7926, 30936), (10312, 23778), (10568, 23202), (11601, 21136), (11889, 20624), (15468, 15852)]