221639768

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{2609}}^1$

素因数の和:2700

約数の個数: 64

約数和(自身を含む): 499867200

約数和(自身を除く): 278227432

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 41, 56, 74, 82, 148, 164, 259, 287, 296, 328, 518, 574, 1036, 1148, 1517, 2072, 2296, 2609, 3034, 5218, 6068, 10436, 10619, 12136, 18263, 20872, 21238, 36526, 42476, 73052, 84952, 96533, 106969, 146104, 193066, 213938, 386132, 427876, 675731, 748783, 772264, 855752, 1351462, 1497566, 2702924, 2995132, 3957853, 5405848, 5990264, 7915706, 15831412, 27704971, 31662824, 55409942, 110819884, 221639768]

約数ペア:

[(1, 221639768), (2, 110819884), (4, 55409942), (7, 31662824), (8, 27704971), (14, 15831412), (28, 7915706), (37, 5990264), (41, 5405848), (56, 3957853), (74, 2995132), (82, 2702924), (148, 1497566), (164, 1351462), (259, 855752), (287, 772264), (296, 748783), (328, 675731), (518, 427876), (574, 386132), (1036, 213938), (1148, 193066), (1517, 146104), (2072, 106969), (2296, 96533), (2609, 84952), (3034, 73052), (5218, 42476), (6068, 36526), (10436, 21238), (10619, 20872), (12136, 18263)]