About the Number

201388005

201388004 ← → 201388006

2進数表記:1100000000001110111111100101

漢数字表記:二億百三十八万八千五

素因数分解:

3 3 × 5 1 × 7 1 × 13 3 × 97 1

素因数の和:157
約数の個数: 128
約数和(自身を含む): 447820800
約数和(自身を除く): 246432795

約数列:
[1, 3, 5, 7, 9, 13, 15, 21, 27, 35, 39, 45, 63, 65, 91, 97, 105, 117, 135, 169, 189, 195, 273, 291, 315, 351, 455, 485, 507, 585, 679, 819, 845, 873, 945, 1183, 1261, 1365, 1455, 1521, 1755, 2037, 2197, 2457, 2535, 2619, 3395, 3549, 3783, 4095, 4365, 4563, 5915, 6111, 6305, 6591, 7605, 8827, 10185, 10647, 10985, 11349, 12285, 13095, 15379, 16393, 17745, 18333, 18915, 19773, 22815, 26481, 30555, 31941, 32955, 34047, 44135, 46137, 49179, 53235, 56745, 59319, 76895, 79443, 81965, 91665, 98865, 114751, 132405, 138411, 147537, 159705, 170235, 213109, 230685, 238329, 245895, 296595, 344253, 397215, 415233, 442611, 573755, 639327, 692055, 737685, 1032759, 1065545, 1191645, 1491763, 1721265, 1917981, 2076165, 2213055, 3098277, 3196635, 4475289, 5163795, 5753943, 7458815, 9589905, 13425867, 15491385, 22376445, 28769715, 40277601, 67129335, 201388005]

約数ペア:
[(1, 201388005), (3, 67129335), (5, 40277601), (7, 28769715), (9, 22376445), (13, 15491385), (15, 13425867), (21, 9589905), (27, 7458815), (35, 5753943), (39, 5163795), (45, 4475289), (63, 3196635), (65, 3098277), (91, 2213055), (97, 2076165), (105, 1917981), (117, 1721265), (135, 1491763), (169, 1191645), (189, 1065545), (195, 1032759), (273, 737685), (291, 692055), (315, 639327), (351, 573755), (455, 442611), (485, 415233), (507, 397215), (585, 344253), (679, 296595), (819, 245895), (845, 238329), (873, 230685), (945, 213109), (1183, 170235), (1261, 159705), (1365, 147537), (1455, 138411), (1521, 132405), (1755, 114751), (2037, 98865), (2197, 91665), (2457, 81965), (2535, 79443), (2619, 76895), (3395, 59319), (3549, 56745), (3783, 53235), (4095, 49179), (4365, 46137), (4563, 44135), (5915, 34047), (6111, 32955), (6305, 31941), (6591, 30555), (7605, 26481), (8827, 22815), (10185, 19773), (10647, 18915), (10985, 18333), (11349, 17745), (12285, 16393), (13095, 15379)]

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