78799556

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:261

約数の個数: 72

約数和(自身を含む): 164161368

約数和(自身を除く): 85361812

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 61, 68, 121, 122, 157, 187, 242, 244, 314, 374, 484, 628, 671, 748, 1037, 1342, 1727, 2057, 2074, 2669, 2684, 3454, 4114, 4148, 5338, 6908, 7381, 8228, 9577, 10676, 11407, 14762, 18997, 19154, 22814, 29359, 29524, 37994, 38308, 45628, 58718, 75988, 105347, 117436, 125477, 162809, 210694, 250954, 322949, 325618, 421388, 501908, 645898, 651236, 1158817, 1291796, 1790899, 2317634, 3581798, 4635268, 7163596, 19699889, 39399778, 78799556]

約数ペア:

[(1, 78799556), (2, 39399778), (4, 19699889), (11, 7163596), (17, 4635268), (22, 3581798), (34, 2317634), (44, 1790899), (61, 1291796), (68, 1158817), (121, 651236), (122, 645898), (157, 501908), (187, 421388), (242, 325618), (244, 322949), (314, 250954), (374, 210694), (484, 162809), (628, 125477), (671, 117436), (748, 105347), (1037, 75988), (1342, 58718), (1727, 45628), (2057, 38308), (2074, 37994), (2669, 29524), (2684, 29359), (3454, 22814), (4114, 19154), (4148, 18997), (5338, 14762), (6908, 11407), (7381, 10676), (8228, 9577)]