664984784

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{991}}^1\times {\mathrm{2467}}^1$

素因数の和:3483

約数の個数: 40

約数和(自身を含む): 1366126848

約数和(自身を除く): 701142064

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 991, 1982, 2467, 3964, 4934, 7928, 9868, 15856, 16847, 19736, 33694, 39472, 41939, 67388, 83878, 134776, 167756, 269552, 335512, 671024, 2444797, 4889594, 9779188, 19558376, 39116752, 41561549, 83123098, 166246196, 332492392, 664984784]

約数ペア:

[(1, 664984784), (2, 332492392), (4, 166246196), (8, 83123098), (16, 41561549), (17, 39116752), (34, 19558376), (68, 9779188), (136, 4889594), (272, 2444797), (991, 671024), (1982, 335512), (2467, 269552), (3964, 167756), (4934, 134776), (7928, 83878), (9868, 67388), (15856, 41939), (16847, 39472), (19736, 33694)]