27779906

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^2\times {\mathrm{31}}^1$

素因数の和:108

約数の個数: 72

約数和(自身を含む): 56485632

約数和(自身を除く): 28705726

約数列:

[1, 2, 7, 11, 14, 22, 23, 31, 46, 62, 77, 121, 154, 161, 217, 242, 253, 322, 341, 434, 506, 529, 682, 713, 847, 1058, 1426, 1694, 1771, 2387, 2783, 3542, 3703, 3751, 4774, 4991, 5566, 5819, 7406, 7502, 7843, 9982, 11638, 15686, 16399, 19481, 26257, 32798, 38962, 40733, 52514, 54901, 64009, 81466, 86273, 109802, 114793, 128018, 172546, 180389, 229586, 360778, 448063, 603911, 896126, 1207822, 1262723, 1984279, 2525446, 3968558, 13889953, 27779906]

約数ペア:

[(1, 27779906), (2, 13889953), (7, 3968558), (11, 2525446), (14, 1984279), (22, 1262723), (23, 1207822), (31, 896126), (46, 603911), (62, 448063), (77, 360778), (121, 229586), (154, 180389), (161, 172546), (217, 128018), (242, 114793), (253, 109802), (322, 86273), (341, 81466), (434, 64009), (506, 54901), (529, 52514), (682, 40733), (713, 38962), (847, 32798), (1058, 26257), (1426, 19481), (1694, 16399), (1771, 15686), (2387, 11638), (2783, 9982), (3542, 7843), (3703, 7502), (3751, 7406), (4774, 5819), (4991, 5566)]