About the Number

128428722

128428721 ← → 128428723

2進数表記:111101001111010101010110010

漢数字表記:一億二千八百四十二万八千七百二十二

素因数分解:

2 1 × 3 2 × 31 1 × 47 1 × 59 1 × 83 1

素因数の和:228
約数の個数: 96
約数和(自身を含む): 301916160
約数和(自身を除く): 173487438

約数列:
[1, 2, 3, 6, 9, 18, 31, 47, 59, 62, 83, 93, 94, 118, 141, 166, 177, 186, 249, 279, 282, 354, 423, 498, 531, 558, 747, 846, 1062, 1457, 1494, 1829, 2573, 2773, 2914, 3658, 3901, 4371, 4897, 5146, 5487, 5546, 7719, 7802, 8319, 8742, 9794, 10974, 11703, 13113, 14691, 15438, 16461, 16638, 23157, 23406, 24957, 26226, 29382, 32922, 35109, 44073, 46314, 49914, 70218, 85963, 88146, 120931, 151807, 171926, 230159, 241862, 257889, 303614, 362793, 455421, 460318, 515778, 690477, 725586, 773667, 910842, 1088379, 1366263, 1380954, 1547334, 2071431, 2176758, 2732526, 4142862, 7134929, 14269858, 21404787, 42809574, 64214361, 128428722]

約数ペア:
[(1, 128428722), (2, 64214361), (3, 42809574), (6, 21404787), (9, 14269858), (18, 7134929), (31, 4142862), (47, 2732526), (59, 2176758), (62, 2071431), (83, 1547334), (93, 1380954), (94, 1366263), (118, 1088379), (141, 910842), (166, 773667), (177, 725586), (186, 690477), (249, 515778), (279, 460318), (282, 455421), (354, 362793), (423, 303614), (498, 257889), (531, 241862), (558, 230159), (747, 171926), (846, 151807), (1062, 120931), (1457, 88146), (1494, 85963), (1829, 70218), (2573, 49914), (2773, 46314), (2914, 44073), (3658, 35109), (3901, 32922), (4371, 29382), (4897, 26226), (5146, 24957), (5487, 23406), (5546, 23157), (7719, 16638), (7802, 16461), (8319, 15438), (8742, 14691), (9794, 13113), (10974, 11703)]

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