197218554

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{463}}^1$

素因数の和:651

約数の個数: 64

約数和(自身を含む): 439025664

約数和(自身を除く): 241807110

約数列:

[1, 2, 3, 6, 13, 26, 39, 43, 78, 86, 127, 129, 254, 258, 381, 463, 559, 762, 926, 1118, 1389, 1651, 1677, 2778, 3302, 3354, 4953, 5461, 6019, 9906, 10922, 12038, 16383, 18057, 19909, 32766, 36114, 39818, 58801, 59727, 70993, 117602, 119454, 141986, 176403, 212979, 258817, 352806, 425958, 517634, 764413, 776451, 1528826, 1552902, 2293239, 2528443, 4586478, 5056886, 7585329, 15170658, 32869759, 65739518, 98609277, 197218554]

約数ペア:

[(1, 197218554), (2, 98609277), (3, 65739518), (6, 32869759), (13, 15170658), (26, 7585329), (39, 5056886), (43, 4586478), (78, 2528443), (86, 2293239), (127, 1552902), (129, 1528826), (254, 776451), (258, 764413), (381, 517634), (463, 425958), (559, 352806), (762, 258817), (926, 212979), (1118, 176403), (1389, 141986), (1651, 119454), (1677, 117602), (2778, 70993), (3302, 59727), (3354, 58801), (4953, 39818), (5461, 36114), (6019, 32766), (9906, 19909), (10922, 18057), (12038, 16383)]