1315131818

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:205

約数の個数: 128

約数和(自身を含む): 2744824320

約数和(自身を除く): 1429692502

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 61, 77, 89, 91, 121, 122, 143, 154, 178, 182, 242, 286, 427, 623, 671, 793, 847, 854, 979, 1001, 1157, 1246, 1331, 1342, 1573, 1586, 1694, 1958, 2002, 2314, 2662, 3146, 4697, 5429, 5551, 6853, 7381, 8099, 8723, 9317, 9394, 10769, 10858, 11011, 11102, 12727, 13706, 14762, 16198, 17303, 17446, 18634, 21538, 22022, 25454, 34606, 38003, 51667, 59719, 61061, 70577, 75383, 76006, 81191, 89089, 95953, 103334, 118459, 119438, 121121, 122122, 139997, 141154, 150766, 162382, 178178, 191906, 236918, 242242, 279994, 418033, 494039, 568337, 656909, 671671, 776347, 829213, 836066, 979979, 988078, 1055483, 1136674, 1313818, 1343342, 1539967, 1552694, 1658426, 1959958, 2110966, 3079934, 4598363, 5434429, 7225999, 7388381, 8539817, 9196726, 10779769, 10868858, 14451998, 14776762, 17079634, 21559538, 50581993, 59778719, 93937987, 101163986, 119557438, 187875974, 657565909, 1315131818]

約数ペア:

[(1, 1315131818), (2, 657565909), (7, 187875974), (11, 119557438), (13, 101163986), (14, 93937987), (22, 59778719), (26, 50581993), (61, 21559538), (77, 17079634), (89, 14776762), (91, 14451998), (121, 10868858), (122, 10779769), (143, 9196726), (154, 8539817), (178, 7388381), (182, 7225999), (242, 5434429), (286, 4598363), (427, 3079934), (623, 2110966), (671, 1959958), (793, 1658426), (847, 1552694), (854, 1539967), (979, 1343342), (1001, 1313818), (1157, 1136674), (1246, 1055483), (1331, 988078), (1342, 979979), (1573, 836066), (1586, 829213), (1694, 776347), (1958, 671671), (2002, 656909), (2314, 568337), (2662, 494039), (3146, 418033), (4697, 279994), (5429, 242242), (5551, 236918), (6853, 191906), (7381, 178178), (8099, 162382), (8723, 150766), (9317, 141154), (9394, 139997), (10769, 122122), (10858, 121121), (11011, 119438), (11102, 118459), (12727, 103334), (13706, 95953), (14762, 89089), (16198, 81191), (17303, 76006), (17446, 75383), (18634, 70577), (21538, 61061), (22022, 59719), (25454, 51667), (34606, 38003)]