207639904

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{20089}}^1$

素因数の和:20135

約数の個数: 48

約数和(自身を含む): 455641200

約数和(自身を除く): 248001296

約数列:

[1, 2, 4, 8, 16, 17, 19, 32, 34, 38, 68, 76, 136, 152, 272, 304, 323, 544, 608, 646, 1292, 2584, 5168, 10336, 20089, 40178, 80356, 160712, 321424, 341513, 381691, 642848, 683026, 763382, 1366052, 1526764, 2732104, 3053528, 5464208, 6107056, 6488747, 10928416, 12214112, 12977494, 25954988, 51909976, 103819952, 207639904]

約数ペア:

[(1, 207639904), (2, 103819952), (4, 51909976), (8, 25954988), (16, 12977494), (17, 12214112), (19, 10928416), (32, 6488747), (34, 6107056), (38, 5464208), (68, 3053528), (76, 2732104), (136, 1526764), (152, 1366052), (272, 763382), (304, 683026), (323, 642848), (544, 381691), (608, 341513), (646, 321424), (1292, 160712), (2584, 80356), (5168, 40178), (10336, 20089)]