68436815

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{197}}^1$

素因数の和:347

約数の個数: 32

約数和(自身を含む): 90154944

約数和(自身を除く): 21718129

約数列:

[1, 5, 17, 61, 67, 85, 197, 305, 335, 985, 1037, 1139, 3349, 4087, 5185, 5695, 12017, 13199, 16745, 20435, 60085, 65995, 69479, 204289, 224383, 347395, 805139, 1021445, 1121915, 4025695, 13687363, 68436815]

約数ペア:

[(1, 68436815), (5, 13687363), (17, 4025695), (61, 1121915), (67, 1021445), (85, 805139), (197, 347395), (305, 224383), (335, 204289), (985, 69479), (1037, 65995), (1139, 60085), (3349, 20435), (4087, 16745), (5185, 13199), (5695, 12017)]