221497452

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{293}}^1$

素因数の和:420

約数の個数: 144

約数和(自身を含む): 647232768

約数和(自身を除く): 425735316

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 23, 33, 36, 44, 46, 66, 69, 83, 92, 99, 132, 138, 166, 198, 207, 249, 253, 276, 293, 332, 396, 414, 498, 506, 586, 747, 759, 828, 879, 913, 996, 1012, 1172, 1494, 1518, 1758, 1826, 1909, 2277, 2637, 2739, 2988, 3036, 3223, 3516, 3652, 3818, 4554, 5274, 5478, 5727, 6446, 6739, 7636, 8217, 9108, 9669, 10548, 10956, 11454, 12892, 13478, 16434, 17181, 19338, 20217, 20999, 22908, 24319, 26956, 29007, 32868, 34362, 38676, 40434, 41998, 48638, 58014, 60651, 62997, 68724, 72957, 74129, 80868, 83996, 97276, 116028, 121302, 125994, 145914, 148258, 188991, 218871, 222387, 242604, 251988, 267509, 291828, 296516, 377982, 437742, 444774, 535018, 559337, 667161, 755964, 802527, 875484, 889548, 1070036, 1118674, 1334322, 1605054, 1678011, 2237348, 2407581, 2668644, 3210108, 3356022, 4815162, 5034033, 6152707, 6712044, 9630324, 10068066, 12305414, 18458121, 20136132, 24610828, 36916242, 55374363, 73832484, 110748726, 221497452]

約数ペア:

[(1, 221497452), (2, 110748726), (3, 73832484), (4, 55374363), (6, 36916242), (9, 24610828), (11, 20136132), (12, 18458121), (18, 12305414), (22, 10068066), (23, 9630324), (33, 6712044), (36, 6152707), (44, 5034033), (46, 4815162), (66, 3356022), (69, 3210108), (83, 2668644), (92, 2407581), (99, 2237348), (132, 1678011), (138, 1605054), (166, 1334322), (198, 1118674), (207, 1070036), (249, 889548), (253, 875484), (276, 802527), (293, 755964), (332, 667161), (396, 559337), (414, 535018), (498, 444774), (506, 437742), (586, 377982), (747, 296516), (759, 291828), (828, 267509), (879, 251988), (913, 242604), (996, 222387), (1012, 218871), (1172, 188991), (1494, 148258), (1518, 145914), (1758, 125994), (1826, 121302), (1909, 116028), (2277, 97276), (2637, 83996), (2739, 80868), (2988, 74129), (3036, 72957), (3223, 68724), (3516, 62997), (3652, 60651), (3818, 58014), (4554, 48638), (5274, 41998), (5478, 40434), (5727, 38676), (6446, 34362), (6739, 32868), (7636, 29007), (8217, 26956), (9108, 24319), (9669, 22908), (10548, 20999), (10956, 20217), (11454, 19338), (12892, 17181), (13478, 16434)]