287267916

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{5101}}^1$

素因数の和:5159

約数の個数: 72

約数和(自身を含む): 761993904

約数和(自身を除く): 474725988

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 38, 39, 52, 57, 76, 78, 114, 156, 228, 247, 361, 494, 722, 741, 988, 1083, 1444, 1482, 2166, 2964, 4332, 4693, 5101, 9386, 10202, 14079, 15303, 18772, 20404, 28158, 30606, 56316, 61212, 66313, 96919, 132626, 193838, 198939, 265252, 290757, 387676, 397878, 581514, 795756, 1163028, 1259947, 1841461, 2519894, 3682922, 3779841, 5039788, 5524383, 7365844, 7559682, 11048766, 15119364, 22097532, 23938993, 47877986, 71816979, 95755972, 143633958, 287267916]

約数ペア:

[(1, 287267916), (2, 143633958), (3, 95755972), (4, 71816979), (6, 47877986), (12, 23938993), (13, 22097532), (19, 15119364), (26, 11048766), (38, 7559682), (39, 7365844), (52, 5524383), (57, 5039788), (76, 3779841), (78, 3682922), (114, 2519894), (156, 1841461), (228, 1259947), (247, 1163028), (361, 795756), (494, 581514), (722, 397878), (741, 387676), (988, 290757), (1083, 265252), (1444, 198939), (1482, 193838), (2166, 132626), (2964, 96919), (4332, 66313), (4693, 61212), (5101, 56316), (9386, 30606), (10202, 28158), (14079, 20404), (15303, 18772)]