721085976

素因数分解:

$2^3\times 3^6\times {\mathrm{13}}^1\times {\mathrm{9511}}^1$

素因数の和:9548

約数の個数: 112

約数和(自身を含む): 2183289360

約数和(自身を除く): 1462203384

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 81, 104, 108, 117, 156, 162, 216, 234, 243, 312, 324, 351, 468, 486, 648, 702, 729, 936, 972, 1053, 1404, 1458, 1944, 2106, 2808, 2916, 3159, 4212, 5832, 6318, 8424, 9477, 9511, 12636, 18954, 19022, 25272, 28533, 37908, 38044, 57066, 75816, 76088, 85599, 114132, 123643, 171198, 228264, 247286, 256797, 342396, 370929, 494572, 513594, 684792, 741858, 770391, 989144, 1027188, 1112787, 1483716, 1540782, 2054376, 2225574, 2311173, 2967432, 3081564, 3338361, 4451148, 4622346, 6163128, 6676722, 6933519, 8902296, 9244692, 10015083, 13353444, 13867038, 18489384, 20030166, 26706888, 27734076, 30045249, 40060332, 55468152, 60090498, 80120664, 90135747, 120180996, 180271494, 240361992, 360542988, 721085976]

約数ペア:

[(1, 721085976), (2, 360542988), (3, 240361992), (4, 180271494), (6, 120180996), (8, 90135747), (9, 80120664), (12, 60090498), (13, 55468152), (18, 40060332), (24, 30045249), (26, 27734076), (27, 26706888), (36, 20030166), (39, 18489384), (52, 13867038), (54, 13353444), (72, 10015083), (78, 9244692), (81, 8902296), (104, 6933519), (108, 6676722), (117, 6163128), (156, 4622346), (162, 4451148), (216, 3338361), (234, 3081564), (243, 2967432), (312, 2311173), (324, 2225574), (351, 2054376), (468, 1540782), (486, 1483716), (648, 1112787), (702, 1027188), (729, 989144), (936, 770391), (972, 741858), (1053, 684792), (1404, 513594), (1458, 494572), (1944, 370929), (2106, 342396), (2808, 256797), (2916, 247286), (3159, 228264), (4212, 171198), (5832, 123643), (6318, 114132), (8424, 85599), (9477, 76088), (9511, 75816), (12636, 57066), (18954, 38044), (19022, 37908), (25272, 28533)]