171504245

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:222

約数の個数: 64

約数和(自身を含む): 251983872

約数和(自身を除く): 80479627

約数列:

[1, 5, 11, 17, 31, 55, 61, 85, 97, 155, 187, 305, 341, 485, 527, 671, 935, 1037, 1067, 1649, 1705, 1891, 2635, 3007, 3355, 5185, 5335, 5797, 5917, 8245, 9455, 11407, 15035, 18139, 20801, 28985, 29585, 32147, 33077, 51119, 57035, 65087, 90695, 100589, 104005, 160735, 165385, 183427, 255595, 325435, 353617, 502945, 562309, 917135, 1106479, 1768085, 2017697, 2811545, 3118259, 5532395, 10088485, 15591295, 34300849, 171504245]

約数ペア:

[(1, 171504245), (5, 34300849), (11, 15591295), (17, 10088485), (31, 5532395), (55, 3118259), (61, 2811545), (85, 2017697), (97, 1768085), (155, 1106479), (187, 917135), (305, 562309), (341, 502945), (485, 353617), (527, 325435), (671, 255595), (935, 183427), (1037, 165385), (1067, 160735), (1649, 104005), (1705, 100589), (1891, 90695), (2635, 65087), (3007, 57035), (3355, 51119), (5185, 33077), (5335, 32147), (5797, 29585), (5917, 28985), (8245, 20801), (9455, 18139), (11407, 15035)]