81259388

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{3221}}^1$

素因数の和:3302

約数の個数: 48

約数和(自身を含む): 175379904

約数和(自身を除く): 94120516

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 53, 68, 106, 119, 212, 238, 371, 476, 742, 901, 1484, 1802, 3221, 3604, 6307, 6442, 12614, 12884, 22547, 25228, 45094, 54757, 90188, 109514, 170713, 219028, 341426, 383299, 682852, 766598, 1194991, 1533196, 2389982, 2902121, 4779964, 5804242, 11608484, 20314847, 40629694, 81259388]

約数ペア:

[(1, 81259388), (2, 40629694), (4, 20314847), (7, 11608484), (14, 5804242), (17, 4779964), (28, 2902121), (34, 2389982), (53, 1533196), (68, 1194991), (106, 766598), (119, 682852), (212, 383299), (238, 341426), (371, 219028), (476, 170713), (742, 109514), (901, 90188), (1484, 54757), (1802, 45094), (3221, 25228), (3604, 22547), (6307, 12884), (6442, 12614)]