81868332

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:192

約数の個数: 144

約数和(自身を含む): 242672640

約数和(自身を除く): 160804308

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 73, 78, 79, 84, 91, 146, 156, 158, 169, 182, 219, 237, 273, 292, 316, 338, 364, 438, 474, 507, 511, 546, 553, 676, 876, 948, 949, 1014, 1022, 1027, 1092, 1106, 1183, 1533, 1659, 1898, 2028, 2044, 2054, 2212, 2366, 2847, 3066, 3081, 3318, 3549, 3796, 4108, 4732, 5694, 5767, 6132, 6162, 6636, 6643, 7098, 7189, 11388, 11534, 12324, 12337, 13286, 13351, 14196, 14378, 17301, 19929, 21567, 23068, 24674, 26572, 26702, 28756, 34602, 37011, 39858, 40053, 40369, 43134, 49348, 53404, 69204, 74022, 74971, 79716, 80106, 80738, 86268, 86359, 93457, 121107, 148044, 149942, 160212, 161476, 172718, 186914, 224913, 242214, 259077, 280371, 299884, 345436, 373828, 449826, 484428, 518154, 524797, 560742, 899652, 974623, 1036308, 1049594, 1121484, 1574391, 1949246, 2099188, 2923869, 3148782, 3898492, 5847738, 6297564, 6822361, 11695476, 13644722, 20467083, 27289444, 40934166, 81868332]

約数ペア:

[(1, 81868332), (2, 40934166), (3, 27289444), (4, 20467083), (6, 13644722), (7, 11695476), (12, 6822361), (13, 6297564), (14, 5847738), (21, 3898492), (26, 3148782), (28, 2923869), (39, 2099188), (42, 1949246), (52, 1574391), (73, 1121484), (78, 1049594), (79, 1036308), (84, 974623), (91, 899652), (146, 560742), (156, 524797), (158, 518154), (169, 484428), (182, 449826), (219, 373828), (237, 345436), (273, 299884), (292, 280371), (316, 259077), (338, 242214), (364, 224913), (438, 186914), (474, 172718), (507, 161476), (511, 160212), (546, 149942), (553, 148044), (676, 121107), (876, 93457), (948, 86359), (949, 86268), (1014, 80738), (1022, 80106), (1027, 79716), (1092, 74971), (1106, 74022), (1183, 69204), (1533, 53404), (1659, 49348), (1898, 43134), (2028, 40369), (2044, 40053), (2054, 39858), (2212, 37011), (2366, 34602), (2847, 28756), (3066, 26702), (3081, 26572), (3318, 24674), (3549, 23068), (3796, 21567), (4108, 19929), (4732, 17301), (5694, 14378), (5767, 14196), (6132, 13351), (6162, 13286), (6636, 12337), (6643, 12324), (7098, 11534), (7189, 11388)]