640533221566

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{109}}^1\times {\mathrm{25693}}^1$

素因数の和:25890

約数の個数: 96

約数和(自身を含む): 1212432027840

約数和(自身を除く): 571898806274

約数列:

[1, 2, 7, 14, 17, 31, 34, 62, 109, 119, 217, 218, 238, 434, 527, 763, 961, 1054, 1526, 1853, 1922, 3379, 3689, 3706, 6727, 6758, 7378, 12971, 13454, 16337, 23653, 25693, 25942, 32674, 47306, 51386, 57443, 104749, 114359, 114886, 179851, 209498, 228718, 359702, 402101, 436781, 733243, 796483, 804202, 873562, 1466486, 1592966, 1780733, 2800537, 3057467, 3561466, 5575381, 5601074, 6114934, 11150762, 12465131, 13540211, 19603759, 24690973, 24930262, 27080422, 39207518, 47609129, 49381946, 86816647, 94781477, 95218258, 172836811, 173633294, 189562954, 333263903, 345673622, 419746541, 607716529, 666527806, 839493082, 1215433058, 1475882999, 2691316057, 2938225787, 2951765998, 5382632114, 5876451574, 10331180993, 18839212399, 20662361986, 37678424798, 45752372969, 91504745938, 320266610783, 640533221566]

約数ペア:

[(1, 640533221566), (2, 320266610783), (7, 91504745938), (14, 45752372969), (17, 37678424798), (31, 20662361986), (34, 18839212399), (62, 10331180993), (109, 5876451574), (119, 5382632114), (217, 2951765998), (218, 2938225787), (238, 2691316057), (434, 1475882999), (527, 1215433058), (763, 839493082), (961, 666527806), (1054, 607716529), (1526, 419746541), (1853, 345673622), (1922, 333263903), (3379, 189562954), (3689, 173633294), (3706, 172836811), (6727, 95218258), (6758, 94781477), (7378, 86816647), (12971, 49381946), (13454, 47609129), (16337, 39207518), (23653, 27080422), (25693, 24930262), (25942, 24690973), (32674, 19603759), (47306, 13540211), (51386, 12465131), (57443, 11150762), (104749, 6114934), (114359, 5601074), (114886, 5575381), (179851, 3561466), (209498, 3057467), (228718, 2800537), (359702, 1780733), (402101, 1592966), (436781, 1466486), (733243, 873562), (796483, 804202)]