20171405178

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{443}}^1\times {\mathrm{661}}^1$

素因数の和:1244

約数の個数: 96

約数和(自身を含む): 45394240320

約数和(自身を除く): 25222835142

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 89, 129, 178, 258, 267, 387, 443, 534, 661, 774, 801, 886, 1322, 1329, 1602, 1983, 2658, 3827, 3966, 3987, 5949, 7654, 7974, 11481, 11898, 19049, 22962, 28423, 34443, 38098, 39427, 56846, 57147, 58829, 68886, 78854, 85269, 114294, 117658, 118281, 170538, 171441, 176487, 236562, 255807, 292823, 342882, 352974, 354843, 511614, 529461, 585646, 709686, 878469, 1058922, 1695361, 1756938, 2529647, 2635407, 3390722, 5059294, 5086083, 5270814, 7588941, 10172166, 12591389, 15177882, 15258249, 22766823, 25182778, 26061247, 30516498, 37774167, 45533646, 52122494, 75548334, 78183741, 113322501, 156367482, 226645002, 234551223, 469102446, 1120633621, 2241267242, 3361900863, 6723801726, 10085702589, 20171405178]

約数ペア:

[(1, 20171405178), (2, 10085702589), (3, 6723801726), (6, 3361900863), (9, 2241267242), (18, 1120633621), (43, 469102446), (86, 234551223), (89, 226645002), (129, 156367482), (178, 113322501), (258, 78183741), (267, 75548334), (387, 52122494), (443, 45533646), (534, 37774167), (661, 30516498), (774, 26061247), (801, 25182778), (886, 22766823), (1322, 15258249), (1329, 15177882), (1602, 12591389), (1983, 10172166), (2658, 7588941), (3827, 5270814), (3966, 5086083), (3987, 5059294), (5949, 3390722), (7654, 2635407), (7974, 2529647), (11481, 1756938), (11898, 1695361), (19049, 1058922), (22962, 878469), (28423, 709686), (34443, 585646), (38098, 529461), (39427, 511614), (56846, 354843), (57147, 352974), (58829, 342882), (68886, 292823), (78854, 255807), (85269, 236562), (114294, 176487), (117658, 171441), (118281, 170538)]