31496465

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:103

約数の個数: 96

約数和(自身を含む): 55157760

約数和(自身を除く): 23661295

約数列:

[1, 5, 7, 11, 13, 29, 31, 35, 49, 55, 65, 77, 91, 143, 145, 155, 203, 217, 245, 319, 341, 377, 385, 403, 455, 539, 637, 715, 899, 1001, 1015, 1085, 1421, 1519, 1595, 1705, 1885, 2015, 2233, 2387, 2639, 2695, 2821, 3185, 4147, 4433, 4495, 5005, 6293, 7007, 7105, 7595, 9889, 11165, 11687, 11935, 13195, 14105, 15631, 16709, 18473, 19747, 20735, 22165, 29029, 31031, 31465, 35035, 44051, 49445, 58435, 69223, 78155, 81809, 83545, 92365, 98735, 128557, 145145, 155155, 203203, 217217, 220255, 346115, 409045, 484561, 572663, 642785, 899899, 1016015, 1086085, 2422805, 2863315, 4499495, 6299293, 31496465]

約数ペア:

[(1, 31496465), (5, 6299293), (7, 4499495), (11, 2863315), (13, 2422805), (29, 1086085), (31, 1016015), (35, 899899), (49, 642785), (55, 572663), (65, 484561), (77, 409045), (91, 346115), (143, 220255), (145, 217217), (155, 203203), (203, 155155), (217, 145145), (245, 128557), (319, 98735), (341, 92365), (377, 83545), (385, 81809), (403, 78155), (455, 69223), (539, 58435), (637, 49445), (715, 44051), (899, 35035), (1001, 31465), (1015, 31031), (1085, 29029), (1421, 22165), (1519, 20735), (1595, 19747), (1705, 18473), (1885, 16709), (2015, 15631), (2233, 14105), (2387, 13195), (2639, 11935), (2695, 11687), (2821, 11165), (3185, 9889), (4147, 7595), (4433, 7105), (4495, 7007), (5005, 6293)]