28066116

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{557}}^1$

素因数の和:613

約数の個数: 96

約数和(自身を含む): 78744960

約数和(自身を除く): 50678844

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 19, 26, 34, 38, 39, 51, 52, 57, 68, 76, 78, 102, 114, 156, 204, 221, 228, 247, 323, 442, 494, 557, 646, 663, 741, 884, 969, 988, 1114, 1292, 1326, 1482, 1671, 1938, 2228, 2652, 2964, 3342, 3876, 4199, 6684, 7241, 8398, 9469, 10583, 12597, 14482, 16796, 18938, 21166, 21723, 25194, 28407, 28964, 31749, 37876, 42332, 43446, 50388, 56814, 63498, 86892, 113628, 123097, 126996, 137579, 179911, 246194, 275158, 359822, 369291, 412737, 492388, 539733, 550316, 719644, 738582, 825474, 1079466, 1477164, 1650948, 2158932, 2338843, 4677686, 7016529, 9355372, 14033058, 28066116]

約数ペア:

[(1, 28066116), (2, 14033058), (3, 9355372), (4, 7016529), (6, 4677686), (12, 2338843), (13, 2158932), (17, 1650948), (19, 1477164), (26, 1079466), (34, 825474), (38, 738582), (39, 719644), (51, 550316), (52, 539733), (57, 492388), (68, 412737), (76, 369291), (78, 359822), (102, 275158), (114, 246194), (156, 179911), (204, 137579), (221, 126996), (228, 123097), (247, 113628), (323, 86892), (442, 63498), (494, 56814), (557, 50388), (646, 43446), (663, 42332), (741, 37876), (884, 31749), (969, 28964), (988, 28407), (1114, 25194), (1292, 21723), (1326, 21166), (1482, 18938), (1671, 16796), (1938, 14482), (2228, 12597), (2652, 10583), (2964, 9469), (3342, 8398), (3876, 7241), (4199, 6684)]