About the Number

1387872

1387871 ← → 1387873

2進数表記:101010010110101100000

漢数字表記:百三十八万七千八百七十二

素因数分解:

2 5 × 3 2 × 61 1 × 79 1

素因数の和:156
約数の個数: 72
約数和(自身を含む): 4062240
約数和(自身を除く): 2674368

約数列:
[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 61, 72, 79, 96, 122, 144, 158, 183, 237, 244, 288, 316, 366, 474, 488, 549, 632, 711, 732, 948, 976, 1098, 1264, 1422, 1464, 1896, 1952, 2196, 2528, 2844, 2928, 3792, 4392, 4819, 5688, 5856, 7584, 8784, 9638, 11376, 14457, 17568, 19276, 22752, 28914, 38552, 43371, 57828, 77104, 86742, 115656, 154208, 173484, 231312, 346968, 462624, 693936, 1387872]

約数ペア:
[(1, 1387872), (2, 693936), (3, 462624), (4, 346968), (6, 231312), (8, 173484), (9, 154208), (12, 115656), (16, 86742), (18, 77104), (24, 57828), (32, 43371), (36, 38552), (48, 28914), (61, 22752), (72, 19276), (79, 17568), (96, 14457), (122, 11376), (144, 9638), (158, 8784), (183, 7584), (237, 5856), (244, 5688), (288, 4819), (316, 4392), (366, 3792), (474, 2928), (488, 2844), (549, 2528), (632, 2196), (711, 1952), (732, 1896), (948, 1464), (976, 1422), (1098, 1264)]

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