About the Number

381279912

381279911 ← → 381279913

2進数表記:10110101110011101111010101000

漢数字表記:三億八千百二十七万九千九百十二

素因数分解:

2 3 × 3 1 × 13 1 × 31 1 × 79 1 × 499 1

素因数の和:631
約数の個数: 128
約数和(自身を含む): 1075200000
約数和(自身を除く): 693920088

約数列:
[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 31, 39, 52, 62, 78, 79, 93, 104, 124, 156, 158, 186, 237, 248, 312, 316, 372, 403, 474, 499, 632, 744, 806, 948, 998, 1027, 1209, 1497, 1612, 1896, 1996, 2054, 2418, 2449, 2994, 3081, 3224, 3992, 4108, 4836, 4898, 5988, 6162, 6487, 7347, 8216, 9672, 9796, 11976, 12324, 12974, 14694, 15469, 19461, 19592, 24648, 25948, 29388, 30938, 31837, 38922, 39421, 46407, 51896, 58776, 61876, 63674, 77844, 78842, 92814, 95511, 118263, 123752, 127348, 155688, 157684, 185628, 191022, 201097, 236526, 254696, 315368, 371256, 382044, 402194, 473052, 512473, 603291, 764088, 804388, 946104, 1024946, 1206582, 1222051, 1537419, 1608776, 2049892, 2413164, 2444102, 3074838, 3666153, 4099784, 4826328, 4888204, 6149676, 7332306, 9776408, 12299352, 14664612, 15886663, 29329224, 31773326, 47659989, 63546652, 95319978, 127093304, 190639956, 381279912]

約数ペア:
[(1, 381279912), (2, 190639956), (3, 127093304), (4, 95319978), (6, 63546652), (8, 47659989), (12, 31773326), (13, 29329224), (24, 15886663), (26, 14664612), (31, 12299352), (39, 9776408), (52, 7332306), (62, 6149676), (78, 4888204), (79, 4826328), (93, 4099784), (104, 3666153), (124, 3074838), (156, 2444102), (158, 2413164), (186, 2049892), (237, 1608776), (248, 1537419), (312, 1222051), (316, 1206582), (372, 1024946), (403, 946104), (474, 804388), (499, 764088), (632, 603291), (744, 512473), (806, 473052), (948, 402194), (998, 382044), (1027, 371256), (1209, 315368), (1497, 254696), (1612, 236526), (1896, 201097), (1996, 191022), (2054, 185628), (2418, 157684), (2449, 155688), (2994, 127348), (3081, 123752), (3224, 118263), (3992, 95511), (4108, 92814), (4836, 78842), (4898, 77844), (5988, 63674), (6162, 61876), (6487, 58776), (7347, 51896), (8216, 46407), (9672, 39421), (9796, 38922), (11976, 31837), (12324, 30938), (12974, 29388), (14694, 25948), (15469, 24648), (19461, 19592)]

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