86964955

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{61}}^1$

素因数の和:137

約数の個数: 72

約数和(自身を含む): 140709744

約数和(自身を除く): 53744789

約数列:

[1, 5, 7, 11, 23, 35, 49, 55, 61, 77, 115, 161, 245, 253, 305, 385, 427, 529, 539, 671, 805, 1127, 1265, 1403, 1771, 2135, 2645, 2695, 2989, 3355, 3703, 4697, 5635, 5819, 7015, 8855, 9821, 12397, 14945, 15433, 18515, 23485, 25921, 29095, 32269, 32879, 40733, 49105, 61985, 68747, 77165, 108031, 129605, 161345, 164395, 203665, 225883, 285131, 343735, 354959, 540155, 756217, 1129415, 1425655, 1581181, 1774795, 2484713, 3781085, 7905905, 12423565, 17392991, 86964955]

約数ペア:

[(1, 86964955), (5, 17392991), (7, 12423565), (11, 7905905), (23, 3781085), (35, 2484713), (49, 1774795), (55, 1581181), (61, 1425655), (77, 1129415), (115, 756217), (161, 540155), (245, 354959), (253, 343735), (305, 285131), (385, 225883), (427, 203665), (529, 164395), (539, 161345), (671, 129605), (805, 108031), (1127, 77165), (1265, 68747), (1403, 61985), (1771, 49105), (2135, 40733), (2645, 32879), (2695, 32269), (2989, 29095), (3355, 25921), (3703, 23485), (4697, 18515), (5635, 15433), (5819, 14945), (7015, 12397), (8855, 9821)]