81389724

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{599}}^1$

素因数の和:699

約数の個数: 72

約数和(自身を含む): 209059200

約数和(自身を除く): 127669476

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 67, 78, 134, 156, 169, 201, 268, 338, 402, 507, 599, 676, 804, 871, 1014, 1198, 1742, 1797, 2028, 2396, 2613, 3484, 3594, 5226, 7188, 7787, 10452, 11323, 15574, 22646, 23361, 31148, 33969, 40133, 45292, 46722, 67938, 80266, 93444, 101231, 120399, 135876, 160532, 202462, 240798, 303693, 404924, 481596, 521729, 607386, 1043458, 1214772, 1565187, 2086916, 3130374, 6260748, 6782477, 13564954, 20347431, 27129908, 40694862, 81389724]

約数ペア:

[(1, 81389724), (2, 40694862), (3, 27129908), (4, 20347431), (6, 13564954), (12, 6782477), (13, 6260748), (26, 3130374), (39, 2086916), (52, 1565187), (67, 1214772), (78, 1043458), (134, 607386), (156, 521729), (169, 481596), (201, 404924), (268, 303693), (338, 240798), (402, 202462), (507, 160532), (599, 135876), (676, 120399), (804, 101231), (871, 93444), (1014, 80266), (1198, 67938), (1742, 46722), (1797, 45292), (2028, 40133), (2396, 33969), (2613, 31148), (3484, 23361), (3594, 22646), (5226, 15574), (7188, 11323), (7787, 10452)]