261800392

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{1249}}^1$

素因数の和:1478

約数の個数: 64

約数和(自身を含む): 594000000

約数和(自身を除く): 332199608

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 197, 266, 394, 532, 788, 1064, 1249, 1379, 1576, 2498, 2758, 3743, 4996, 5516, 7486, 8743, 9992, 11032, 14972, 17486, 23731, 26201, 29944, 34972, 47462, 52402, 69944, 94924, 104804, 166117, 189848, 209608, 246053, 332234, 492106, 664468, 984212, 1328936, 1722371, 1968424, 3444742, 4675007, 6889484, 9350014, 13778968, 18700028, 32725049, 37400056, 65450098, 130900196, 261800392]

約数ペア:

[(1, 261800392), (2, 130900196), (4, 65450098), (7, 37400056), (8, 32725049), (14, 18700028), (19, 13778968), (28, 9350014), (38, 6889484), (56, 4675007), (76, 3444742), (133, 1968424), (152, 1722371), (197, 1328936), (266, 984212), (394, 664468), (532, 492106), (788, 332234), (1064, 246053), (1249, 209608), (1379, 189848), (1576, 166117), (2498, 104804), (2758, 94924), (3743, 69944), (4996, 52402), (5516, 47462), (7486, 34972), (8743, 29944), (9992, 26201), (11032, 23731), (14972, 17486)]