68940508

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{857}}^1$

素因数の和:911

約数の個数: 72

約数和(自身を含む): 158270112

約数和(自身を除く): 89329604

約数列:

[1, 2, 4, 7, 13, 14, 17, 26, 28, 34, 52, 68, 91, 119, 169, 182, 221, 238, 338, 364, 442, 476, 676, 857, 884, 1183, 1547, 1714, 2366, 2873, 3094, 3428, 4732, 5746, 5999, 6188, 11141, 11492, 11998, 14569, 20111, 22282, 23996, 29138, 40222, 44564, 58276, 77987, 80444, 101983, 144833, 155974, 189397, 203966, 289666, 311948, 378794, 407932, 579332, 757588, 1013831, 1325779, 2027662, 2462161, 2651558, 4055324, 4924322, 5303116, 9848644, 17235127, 34470254, 68940508]

約数ペア:

[(1, 68940508), (2, 34470254), (4, 17235127), (7, 9848644), (13, 5303116), (14, 4924322), (17, 4055324), (26, 2651558), (28, 2462161), (34, 2027662), (52, 1325779), (68, 1013831), (91, 757588), (119, 579332), (169, 407932), (182, 378794), (221, 311948), (238, 289666), (338, 203966), (364, 189397), (442, 155974), (476, 144833), (676, 101983), (857, 80444), (884, 77987), (1183, 58276), (1547, 44564), (1714, 40222), (2366, 29138), (2873, 23996), (3094, 22282), (3428, 20111), (4732, 14569), (5746, 11998), (5999, 11492), (6188, 11141)]