1277732456

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{5147}}^1$

素因数の和:5215

約数の個数: 128

約数和(自身を含む): 3321077760

約数和(自身を除く): 2043345304

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 22, 26, 28, 31, 44, 52, 56, 62, 77, 88, 91, 104, 124, 143, 154, 182, 217, 248, 286, 308, 341, 364, 403, 434, 572, 616, 682, 728, 806, 868, 1001, 1144, 1364, 1612, 1736, 2002, 2387, 2728, 2821, 3224, 4004, 4433, 4774, 5147, 5642, 8008, 8866, 9548, 10294, 11284, 17732, 19096, 20588, 22568, 31031, 35464, 36029, 41176, 56617, 62062, 66911, 72058, 113234, 124124, 133822, 144116, 159557, 226468, 248248, 267644, 288232, 319114, 396319, 452936, 468377, 535288, 638228, 736021, 792638, 936754, 1116899, 1276456, 1472042, 1585276, 1755127, 1873508, 2074241, 2233798, 2944084, 3170552, 3510254, 3747016, 4148482, 4467596, 5152147, 5888168, 7020508, 8296964, 8935192, 10304294, 12285889, 14041016, 14519687, 16593928, 20608588, 22816651, 24571778, 29039374, 41217176, 45633302, 49143556, 58078748, 91266604, 98287112, 116157496, 159716557, 182533208, 319433114, 638866228, 1277732456]

約数ペア:

[(1, 1277732456), (2, 638866228), (4, 319433114), (7, 182533208), (8, 159716557), (11, 116157496), (13, 98287112), (14, 91266604), (22, 58078748), (26, 49143556), (28, 45633302), (31, 41217176), (44, 29039374), (52, 24571778), (56, 22816651), (62, 20608588), (77, 16593928), (88, 14519687), (91, 14041016), (104, 12285889), (124, 10304294), (143, 8935192), (154, 8296964), (182, 7020508), (217, 5888168), (248, 5152147), (286, 4467596), (308, 4148482), (341, 3747016), (364, 3510254), (403, 3170552), (434, 2944084), (572, 2233798), (616, 2074241), (682, 1873508), (728, 1755127), (806, 1585276), (868, 1472042), (1001, 1276456), (1144, 1116899), (1364, 936754), (1612, 792638), (1736, 736021), (2002, 638228), (2387, 535288), (2728, 468377), (2821, 452936), (3224, 396319), (4004, 319114), (4433, 288232), (4774, 267644), (5147, 248248), (5642, 226468), (8008, 159557), (8866, 144116), (9548, 133822), (10294, 124124), (11284, 113234), (17732, 72058), (19096, 66911), (20588, 62062), (22568, 56617), (31031, 41176), (35464, 36029)]