1639731639

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{311}}^1$

素因数の和:461

約数の個数: 96

約数和(自身を含む): 2868203520

約数和(自身を除く): 1228471881

約数列:

[1, 3, 7, 13, 21, 31, 39, 49, 89, 91, 93, 147, 217, 267, 273, 311, 403, 623, 637, 651, 933, 1157, 1209, 1519, 1869, 1911, 2177, 2759, 2821, 3471, 4043, 4361, 4557, 6531, 8099, 8277, 8463, 9641, 12129, 13083, 15239, 19313, 19747, 24297, 27679, 28301, 28923, 35867, 45717, 56693, 57939, 59241, 67487, 83037, 84903, 107601, 125333, 135191, 170079, 193753, 198107, 202461, 251069, 359827, 375999, 405573, 472409, 581259, 594321, 753207, 858049, 877331, 1079481, 1356271, 1417227, 1757483, 2518789, 2574147, 2631993, 4068813, 5272449, 6006343, 6141317, 7556367, 11154637, 17631523, 18019029, 18423951, 33463911, 42044401, 52894569, 78082459, 126133203, 234247377, 546577213, 1639731639]

約数ペア:

[(1, 1639731639), (3, 546577213), (7, 234247377), (13, 126133203), (21, 78082459), (31, 52894569), (39, 42044401), (49, 33463911), (89, 18423951), (91, 18019029), (93, 17631523), (147, 11154637), (217, 7556367), (267, 6141317), (273, 6006343), (311, 5272449), (403, 4068813), (623, 2631993), (637, 2574147), (651, 2518789), (933, 1757483), (1157, 1417227), (1209, 1356271), (1519, 1079481), (1869, 877331), (1911, 858049), (2177, 753207), (2759, 594321), (2821, 581259), (3471, 472409), (4043, 405573), (4361, 375999), (4557, 359827), (6531, 251069), (8099, 202461), (8277, 198107), (8463, 193753), (9641, 170079), (12129, 135191), (13083, 125333), (15239, 107601), (19313, 84903), (19747, 83037), (24297, 67487), (27679, 59241), (28301, 57939), (28923, 56693), (35867, 45717)]