221887876

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{66593}}^1$

素因数の和:66628

約数の個数: 36

約数和(自身を含む): 478278108

約数和(自身を除く): 256390232

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 49, 68, 98, 119, 196, 238, 476, 833, 1666, 3332, 66593, 133186, 266372, 466151, 932302, 1132081, 1864604, 2264162, 3263057, 4528324, 6526114, 7924567, 13052228, 15849134, 31698268, 55471969, 110943938, 221887876]

約数ペア:

[(1, 221887876), (2, 110943938), (4, 55471969), (7, 31698268), (14, 15849134), (17, 13052228), (28, 7924567), (34, 6526114), (49, 4528324), (68, 3263057), (98, 2264162), (119, 1864604), (196, 1132081), (238, 932302), (476, 466151), (833, 266372), (1666, 133186), (3332, 66593)]