686665509985

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1097}}^1\times {\mathrm{20533}}^1$

素因数の和:21722

約数の個数: 64

約数和(自身を含む): 1030277187072

約数和(自身を除く): 343611677087

約数列:

[1, 5, 7, 13, 35, 65, 67, 91, 335, 455, 469, 871, 1097, 2345, 4355, 5485, 6097, 7679, 14261, 20533, 30485, 38395, 71305, 73499, 99827, 102665, 143731, 266929, 367495, 499135, 514493, 718655, 955487, 1334645, 1375711, 1868503, 2572465, 4777435, 6688409, 6878555, 9342515, 9629977, 17884243, 22524701, 33442045, 48149885, 89421215, 112623505, 125189701, 157672907, 292821113, 625948505, 788364535, 1464105565, 1509154967, 2049747791, 7545774835, 10248738955, 10564084769, 19619014571, 52820423845, 98095072855, 137333101997, 686665509985]

約数ペア:

[(1, 686665509985), (5, 137333101997), (7, 98095072855), (13, 52820423845), (35, 19619014571), (65, 10564084769), (67, 10248738955), (91, 7545774835), (335, 2049747791), (455, 1509154967), (469, 1464105565), (871, 788364535), (1097, 625948505), (2345, 292821113), (4355, 157672907), (5485, 125189701), (6097, 112623505), (7679, 89421215), (14261, 48149885), (20533, 33442045), (30485, 22524701), (38395, 17884243), (71305, 9629977), (73499, 9342515), (99827, 6878555), (102665, 6688409), (143731, 4777435), (266929, 2572465), (367495, 1868503), (499135, 1375711), (514493, 1334645), (718655, 955487)]