647851708

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{8669}}^1$

素因数の和:8854

約数の個数: 48

約数和(自身を含む): 1380818880

約数和(自身を除く): 732967172

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 157, 238, 314, 476, 628, 1099, 2198, 2669, 4396, 5338, 8669, 10676, 17338, 18683, 34676, 37366, 60683, 74732, 121366, 147373, 242732, 294746, 589492, 1031611, 1361033, 2063222, 2722066, 4126444, 5444132, 9527231, 19054462, 23137561, 38108924, 46275122, 92550244, 161962927, 323925854, 647851708]

約数ペア:

[(1, 647851708), (2, 323925854), (4, 161962927), (7, 92550244), (14, 46275122), (17, 38108924), (28, 23137561), (34, 19054462), (68, 9527231), (119, 5444132), (157, 4126444), (238, 2722066), (314, 2063222), (476, 1361033), (628, 1031611), (1099, 589492), (2198, 294746), (2669, 242732), (4396, 147373), (5338, 121366), (8669, 74732), (10676, 60683), (17338, 37366), (18683, 34676)]