217531188

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{127}}^1\times {\mathrm{971}}^1$

素因数の和:1122

約数の個数: 108

約数和(自身を含む): 645345792

約数和(自身を除く): 427814604

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 127, 147, 196, 252, 254, 294, 381, 441, 508, 588, 762, 882, 889, 971, 1143, 1524, 1764, 1778, 1942, 2286, 2667, 2913, 3556, 3884, 4572, 5334, 5826, 6223, 6797, 8001, 8739, 10668, 11652, 12446, 13594, 16002, 17478, 18669, 20391, 24892, 27188, 32004, 34956, 37338, 40782, 47579, 56007, 61173, 74676, 81564, 95158, 112014, 122346, 123317, 142737, 190316, 224028, 244692, 246634, 285474, 369951, 428211, 493268, 570948, 739902, 856422, 863219, 1109853, 1479804, 1712844, 1726438, 2219706, 2589657, 3452876, 4439412, 5179314, 6042533, 7768971, 10358628, 12085066, 15537942, 18127599, 24170132, 31075884, 36255198, 54382797, 72510396, 108765594, 217531188]

約数ペア:

[(1, 217531188), (2, 108765594), (3, 72510396), (4, 54382797), (6, 36255198), (7, 31075884), (9, 24170132), (12, 18127599), (14, 15537942), (18, 12085066), (21, 10358628), (28, 7768971), (36, 6042533), (42, 5179314), (49, 4439412), (63, 3452876), (84, 2589657), (98, 2219706), (126, 1726438), (127, 1712844), (147, 1479804), (196, 1109853), (252, 863219), (254, 856422), (294, 739902), (381, 570948), (441, 493268), (508, 428211), (588, 369951), (762, 285474), (882, 246634), (889, 244692), (971, 224028), (1143, 190316), (1524, 142737), (1764, 123317), (1778, 122346), (1942, 112014), (2286, 95158), (2667, 81564), (2913, 74676), (3556, 61173), (3884, 56007), (4572, 47579), (5334, 40782), (5826, 37338), (6223, 34956), (6797, 32004), (8001, 27188), (8739, 24892), (10668, 20391), (11652, 18669), (12446, 17478), (13594, 16002)]