207004016

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{389}}^1\times {\mathrm{421}}^1$

素因数の和:897

約数の個数: 40

約数和(自身を含む): 408158400

約数和(自身を除く): 201154384

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 389, 421, 632, 778, 842, 1264, 1556, 1684, 3112, 3368, 6224, 6736, 30731, 33259, 61462, 66518, 122924, 133036, 163769, 245848, 266072, 327538, 491696, 532144, 655076, 1310152, 2620304, 12937751, 25875502, 51751004, 103502008, 207004016]

約数ペア:

[(1, 207004016), (2, 103502008), (4, 51751004), (8, 25875502), (16, 12937751), (79, 2620304), (158, 1310152), (316, 655076), (389, 532144), (421, 491696), (632, 327538), (778, 266072), (842, 245848), (1264, 163769), (1556, 133036), (1684, 122924), (3112, 66518), (3368, 61462), (6224, 33259), (6736, 30731)]