12871628

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{79}}^1$

素因数の和:147

約数の個数: 72

約数和(自身を含む): 29729280

約数和(自身を除く): 16857652

約数列:

[1, 2, 4, 7, 11, 14, 22, 23, 28, 44, 46, 77, 79, 92, 154, 158, 161, 253, 308, 316, 322, 506, 529, 553, 644, 869, 1012, 1058, 1106, 1738, 1771, 1817, 2116, 2212, 3476, 3542, 3634, 3703, 5819, 6083, 7084, 7268, 7406, 11638, 12166, 12719, 14812, 19987, 23276, 24332, 25438, 39974, 40733, 41791, 50876, 79948, 81466, 83582, 139909, 162932, 167164, 279818, 292537, 459701, 559636, 585074, 919402, 1170148, 1838804, 3217907, 6435814, 12871628]

約数ペア:

[(1, 12871628), (2, 6435814), (4, 3217907), (7, 1838804), (11, 1170148), (14, 919402), (22, 585074), (23, 559636), (28, 459701), (44, 292537), (46, 279818), (77, 167164), (79, 162932), (92, 139909), (154, 83582), (158, 81466), (161, 79948), (253, 50876), (308, 41791), (316, 40733), (322, 39974), (506, 25438), (529, 24332), (553, 23276), (644, 19987), (869, 14812), (1012, 12719), (1058, 12166), (1106, 11638), (1738, 7406), (1771, 7268), (1817, 7084), (2116, 6083), (2212, 5819), (3476, 3703), (3542, 3634)]