81329456

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1$

素因数の和:286

約数の個数: 80

約数和(自身を含む): 178634400

約数和(自身を除く): 97304944

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 52, 58, 97, 104, 116, 139, 194, 208, 232, 278, 377, 388, 464, 556, 754, 776, 1112, 1261, 1508, 1552, 1807, 2224, 2522, 2813, 3016, 3614, 4031, 5044, 5626, 6032, 7228, 8062, 10088, 11252, 13483, 14456, 16124, 20176, 22504, 26966, 28912, 32248, 36569, 45008, 52403, 53932, 64496, 73138, 104806, 107864, 146276, 175279, 209612, 215728, 292552, 350558, 391007, 419224, 585104, 701116, 782014, 838448, 1402232, 1564028, 2804464, 3128056, 5083091, 6256112, 10166182, 20332364, 40664728, 81329456]

約数ペア:

[(1, 81329456), (2, 40664728), (4, 20332364), (8, 10166182), (13, 6256112), (16, 5083091), (26, 3128056), (29, 2804464), (52, 1564028), (58, 1402232), (97, 838448), (104, 782014), (116, 701116), (139, 585104), (194, 419224), (208, 391007), (232, 350558), (278, 292552), (377, 215728), (388, 209612), (464, 175279), (556, 146276), (754, 107864), (776, 104806), (1112, 73138), (1261, 64496), (1508, 53932), (1552, 52403), (1807, 45008), (2224, 36569), (2522, 32248), (2813, 28912), (3016, 26966), (3614, 22504), (4031, 20176), (5044, 16124), (5626, 14456), (6032, 13483), (7228, 11252), (8062, 10088)]