1991109456

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{27059}}^1$

素因数の和:27153

約数の個数: 120

約数和(自身を含む): 6455866560

約数和(自身を除く): 4464757104

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 73, 84, 112, 126, 144, 146, 168, 219, 252, 292, 336, 438, 504, 511, 584, 657, 876, 1008, 1022, 1168, 1314, 1533, 1752, 2044, 2628, 3066, 3504, 4088, 4599, 5256, 6132, 8176, 9198, 10512, 12264, 18396, 24528, 27059, 36792, 54118, 73584, 81177, 108236, 162354, 189413, 216472, 243531, 324708, 378826, 432944, 487062, 568239, 649416, 757652, 974124, 1136478, 1298832, 1515304, 1704717, 1948248, 1975307, 2272956, 3030608, 3409434, 3896496, 3950614, 4545912, 5925921, 6818868, 7901228, 9091824, 11851842, 13637736, 13827149, 15802456, 17777763, 23703684, 27275472, 27654298, 31604912, 35555526, 41481447, 47407368, 55308596, 71111052, 82962894, 94814736, 110617192, 124444341, 142222104, 165925788, 221234384, 248888682, 284444208, 331851576, 497777364, 663703152, 995554728, 1991109456]

約数ペア:

[(1, 1991109456), (2, 995554728), (3, 663703152), (4, 497777364), (6, 331851576), (7, 284444208), (8, 248888682), (9, 221234384), (12, 165925788), (14, 142222104), (16, 124444341), (18, 110617192), (21, 94814736), (24, 82962894), (28, 71111052), (36, 55308596), (42, 47407368), (48, 41481447), (56, 35555526), (63, 31604912), (72, 27654298), (73, 27275472), (84, 23703684), (112, 17777763), (126, 15802456), (144, 13827149), (146, 13637736), (168, 11851842), (219, 9091824), (252, 7901228), (292, 6818868), (336, 5925921), (438, 4545912), (504, 3950614), (511, 3896496), (584, 3409434), (657, 3030608), (876, 2272956), (1008, 1975307), (1022, 1948248), (1168, 1704717), (1314, 1515304), (1533, 1298832), (1752, 1136478), (2044, 974124), (2628, 757652), (3066, 649416), (3504, 568239), (4088, 487062), (4599, 432944), (5256, 378826), (6132, 324708), (8176, 243531), (9198, 216472), (10512, 189413), (12264, 162354), (18396, 108236), (24528, 81177), (27059, 73584), (36792, 54118)]